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{{Anarchism sidebar}}

'''Anarchism''' is a [[political philosophy]] that advocates [[stateless society|stateless societies]] often defined as [[self-governance|self-governed]] voluntary institutions,&lt;ref&gt;&quot;ANARCHISM, a social philosophy that rejects authoritarian government and maintains that voluntary institutions are best suited to express man's natural social tendencies.&quot; George Woodcock. &quot;Anarchism&quot; at The Encyclopedia of Philosophy&lt;/ref&gt;&lt;ref&gt;&quot;In a society developed on these lines, the voluntary associations which already now begin to cover all the fields of human activity would take a still greater extension so as to substitute themselves for the state in all its functions.&quot; [http://www.theanarchistlibrary.org/HTML/Petr_Kropotkin___Anarchism__from_the_Encyclopaedia_Britannica.html Peter Kropotkin. &quot;Anarchism&quot; from the Encyclopædia Britannica]&lt;/ref&gt;&lt;ref&gt;&quot;Anarchism.&quot; The Shorter Routledge Encyclopedia of Philosophy. 2005. p. 14 &quot;Anarchism is the view that a society without the state, or government, is both possible and desirable.&quot;&lt;/ref&gt;&lt;ref&gt;Sheehan, Sean. Anarchism, London: Reaktion Books Ltd., 2004. p. 85&lt;/ref&gt; but that several authors have defined as more specific institutions based on non-[[Hierarchy|hierarchical]] [[Free association (communism and anarchism)|free associations]].&lt;ref&gt;&quot;as many anarchists have stressed, it is not government as such that they find objectionable, but the hierarchical forms of government associated with the nation state.&quot; Judith Suissa. ''Anarchism and Education: a Philosophical Perspective''. Routledge. New York. 2006. p. 7&lt;/ref&gt;&lt;ref name=&quot;iaf-ifa.org&quot;/&gt;&lt;ref&gt;&quot;That is why Anarchy, when it works to destroy authority in all its aspects, when it demands the abrogation of laws and the abolition of the mechanism that serves to impose them, when it refuses all hierarchical organisation and preaches free agreement — at the same time strives to maintain and enlarge the precious kernel of social customs without which no human or animal society can exist.&quot; [[Peter Kropotkin]]. [http://www.theanarchistlibrary.org/HTML/Petr_Kropotkin__Anarchism__its_philosophy_and_ideal.html Anarchism: its philosophy and ideal]&lt;/ref&gt;&lt;ref&gt;&quot;anarchists are opposed to irrational (e.g., illegitimate) authority, in other words, hierarchy — hierarchy being the institutionalisation of authority within a society.&quot; [http://www.theanarchistlibrary.org/HTML/The_Anarchist_FAQ_Editorial_Collective__An_Anarchist_FAQ__03_17_.html#toc2 &quot;B.1 Why are anarchists against authority and hierarchy?&quot;] in [[An Anarchist FAQ]]&lt;/ref&gt; Anarchism holds the [[state (polity)|state]] to be undesirable, unnecessary, or harmful.&lt;ref name=&quot;definition&quot;&gt;
{{cite journal |last=Malatesta|first=Errico|title=Towards Anarchism|journal=MAN!|publisher=International Group of San Francisco|location=Los Angeles|oclc=3930443|url=http://www.marxists.org/archive/malatesta/1930s/xx/toanarchy.htm|archiveurl=http://web.archive.org/web/20121107221404/http://marxists.org/archive/malatesta/1930s/xx/toanarchy.htm|archivedate=7 November 2012 |deadurl=no|authorlink=Errico Malatesta |ref=harv}}
{{cite journal |url=http://www.theglobeandmail.com/servlet/story/RTGAM.20070514.wxlanarchist14/BNStory/lifeWork/home/
|archiveurl=http://web.archive.org/web/20070516094548/http://www.theglobeandmail.com/servlet/story/RTGAM.20070514.wxlanarchist14/BNStory/lifeWork/home |archivedate=16 May 2007 |deadurl=yes |title=Working for The Man |journal=[[The Globe and Mail]] |accessdate=14 April 2008 |last=Agrell |first=Siri |date=14 May 2007 |ref=harv }}
{{cite web |url=http://www.britannica.com/eb/article-9117285|title=Anarchism|year=2006|work=Encyclopædia Britannica|publisher=Encyclopædia Britannica Premium Service|accessdate=29 August 2006| archiveurl= http://web.archive.org/web/20061214085638/http://www.britannica.com/eb/article-9117285| archivedate= 14 December 2006&lt;!--Added by DASHBot--&gt;}}
{{cite journal |year=2005|title=Anarchism|journal=The Shorter [[Routledge Encyclopedia of Philosophy]]|page=14|quote=Anarchism is the view that a society without the state, or government, is both possible and desirable. |ref=harv}}
The following sources cite anarchism as a political philosophy:
{{cite book | last = Mclaughlin | first = Paul | title = Anarchism and Authority | publisher = Ashgate | location = Aldershot | year = 2007 | isbn = 0-7546-6196-2 |page=59}}
{{cite book | last = Johnston | first = R. | title = The Dictionary of Human Geography | publisher = Blackwell Publishers | location = Cambridge | year = 2000 | isbn = 0-631-20561-6 |page=24}}&lt;/ref&gt;&lt;ref name=slevin&gt;Slevin, Carl. &quot;Anarchism.&quot; ''The Concise Oxford Dictionary of Politics''. Ed. Iain McLean and Alistair McMillan. Oxford University Press, 2003.&lt;/ref&gt; While anti-statism is central, some argue&lt;ref&gt;&quot;Anarchists do reject the state, as we will see. But to claim that this central aspect of anarchism is definitive is to sell anarchism short.&quot;[http://books.google.com.ec/books?id=kkj5i3CeGbQC&amp;printsec=frontcover#v=onepage&amp;q&amp;f=false ''Anarchism and Authority: A Philosophical Introduction to Classical Anarchism'' by Paul McLaughlin. AshGate. 2007. p. 28]&lt;/ref&gt; that anarchism entails opposing [[authority]] or [[hierarchical organisation]] in the conduct of human relations, including, but not limited to, the state system.&lt;ref name=&quot;iaf-ifa.org&quot;&gt;{{cite web |url=http://www.iaf-ifa.org/principles/english.html |title=IAF principles |publisher=[[International of Anarchist Federations]] |archiveurl=http://web.archive.org/web/20120105095946/http://www.iaf-ifa.org/principles/english.html |archivedate=5 January 2012 |deadurl=yes |quote=The IAF – IFA fights for : the abolition of all forms of authority whether economical, political, social, religious, cultural or sexual.}}&lt;/ref&gt;&lt;ref&gt;&quot;Authority is defined in terms of the right to exercise social control (as explored in the &quot;sociology of power&quot;) and the correlative duty to obey (as explored in the &quot;philosophy of practical reason&quot;). Anarchism is distinguished, philosophically, by its scepticism towards such moral relations – by its questioning of the claims made for such normative power – and, practically, by its challenge to those &quot;authoritative&quot; powers which cannot justify their claims and which are therefore deemed illegitimate or without moral foundation.&quot;[http://books.google.com.ec/books?id=kkj5i3CeGbQC&amp;printsec=frontcover#v=onepage&amp;q&amp;f=false ''Anarchism and Authority: A Philosophical Introduction to Classical Anarchism'' by Paul McLaughlin. AshGate. 2007. p. 1]&lt;/ref&gt;&lt;ref&gt;&quot;Anarchism, then, really stands for the liberation of the human mind from the dominion of religion; the liberation of the human body from the dominion of property; liberation from the shackles and restraint of government. Anarchism stands for a social order based on the free grouping of individuals for the purpose of producing real social wealth; an order that will guarantee to every human being free access to the earth and full enjoyment of the necessities of life, according to individual desires, tastes, and inclinations.&quot; [[Emma Goldman]]. &quot;What it Really Stands for Anarchy&quot; in ''[[Anarchism and Other Essays]]''.&lt;/ref&gt;&lt;ref&gt;Individualist anarchist Benjamin Tucker defined anarchism as opposition to authority as follows &quot;They found that they must turn either to the right or to the left, – follow either the path of Authority or the path of Liberty. Marx went one way; Warren and Proudhon the other. Thus were born State Socialism and Anarchism&amp;nbsp;... Authority, takes many shapes, but, broadly speaking, her enemies divide themselves into three classes: first, those who abhor her both as a means and as an end of progress, opposing her openly, avowedly, sincerely, consistently, universally; second, those who profess to believe in her as a means of progress, but who accept her only so far as they think she will subserve their own selfish interests, denying her and her blessings to the rest of the world; third, those who distrust her as a means of progress, believing in her only as an end to be obtained by first trampling upon, violating, and outraging her. These three phases of opposition to Liberty are met in almost every sphere of thought and human activity. Good representatives of the first are seen in the Catholic Church and the Russian autocracy; of the second, in the Protestant Church and the Manchester school of politics and political economy; of the third, in the atheism of Gambetta and the socialism of Karl Marx.&quot; [[Benjamin Tucker]]. [http://www.theanarchistlibrary.org/HTML/Benjamin_Tucker__Individual_Liberty.html ''Individual Liberty.'']&lt;/ref&gt;&lt;ref name=&quot;Ward 1966&quot;&gt;{{cite web |url=http://www.panarchy.org/ward/organization.1966.html|last=Ward|first=Colin|year=1966|title=Anarchism as a Theory of Organization|accessdate=1 March 2010| archiveurl= http://web.archive.org/web/20100325081119/http://www.panarchy.org/ward/organization.1966.html| archivedate= 25 March 2010&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt;&lt;ref&gt;Anarchist historian [[George Woodcock]] report of [[Mikhail Bakunin]]'s anti-authoritarianism and shows opposition to both state and non-state forms of authority as follows: &quot;All anarchists deny authority; many of them fight against it.&quot; (p. 9)&amp;nbsp;... Bakunin did not convert the League's central committee to his full program, but he did persuade them to accept a remarkably radical recommendation to the Berne Congress of September 1868, demanding economic equality and implicitly attacking authority in both Church and State.&quot;&lt;/ref&gt;&lt;ref&gt;{{cite book |last=Brown |first=L. Susan |chapter=Anarchism as a Political Philosophy of Existential Individualism: Implications for Feminism |title=The Politics of Individualism: Liberalism, Liberal Feminism and Anarchism |publisher=Black Rose Books Ltd. Publishing |year= 2002 |page=106}}&lt;/ref&gt;

As a subtle and anti-dogmatic philosophy, anarchism draws on many currents of thought and strategy. Anarchism does not offer a fixed body of doctrine from a single particular world view, instead fluxing and flowing as a philosophy.&lt;ref&gt;{{cite book |last=Marshall|first=Peter|title=Demands The Impossible: A History Of Anarchism|year=2010|publisher=PM Press|location=Oakland, CA|isbn=978-1-60486-064-1|pages=16}}&lt;/ref&gt; There are many types and traditions of anarchism, not all of which are mutually exclusive.&lt;ref&gt;{{cite book |last=Sylvan |first=Richard |chapter=Anarchism |title=A Companion to Contemporary Political Philosophy |editors=Goodwin, Robert E. and Pettit |publisher=Philip. Blackwell Publishing |year=1995 |page=231}}&lt;/ref&gt; [[Anarchist schools of thought]] can differ fundamentally, supporting anything from extreme [[individualism]] to complete collectivism.&lt;ref name=slevin/&gt; Strains of anarchism have often been divided into the categories of [[social anarchism|social]] and [[individualist anarchism]] or similar dual classifications.&lt;ref name=&quot;black dict&quot;&gt;[[Geoffrey Ostergaard|Ostergaard, Geoffrey]]. &quot;Anarchism&quot;. ''The Blackwell Dictionary of Modern Social Thought''. Blackwell Publishing. p. 14.&lt;/ref&gt;&lt;ref name=socind&gt;{{cite book |authorlink=Peter Kropotkin |last=Kropotkin |first=Peter |title=Anarchism: A Collection of Revolutionary Writings |publisher=Courier Dover Publications |year=2002 |page=5|isbn=0-486-41955-X}}{{cite journal |author=R.B. Fowler|title=The Anarchist Tradition of Political Thought|year=1972|journal=Western Political Quarterly|volume=25|issue=4|pages=738–752|doi=10.2307/446800|publisher=University of Utah|jstor=446800 |ref=harv}}&lt;/ref&gt; Anarchism is often considered a radical left-wing ideology,&lt;ref name=brooks&gt;{{cite book |quote=Usually considered to be an extreme left-wing ideology, anarchism has always included a significant strain of radical individualism, from the hyperrationalism of Godwin, to the egoism of Stirner, to the libertarians and anarcho-capitalists of today |last=Brooks |first=Frank H. |year=1994 |title=The Individualist Anarchists: An Anthology of Liberty (1881–1908) |publisher=Transaction Publishers |page=xi|isbn=1-56000-132-1}}&lt;/ref&gt;&lt;ref&gt;{{cite journal |author=Joseph Kahn|title= Anarchism, the Creed That Won't Stay Dead; The Spread of World Capitalism Resurrects a Long-Dormant Movement |year=2000|journal=[[The New York Times]]|issue=5 August |ref=harv}}{{cite journal |author=Colin Moynihan |title=Book Fair Unites Anarchists. In Spirit, Anyway|year=2007|journal=New York Times|issue=16 April |ref=harv}}&lt;/ref&gt; and much of [[anarchist economics]] and [[anarchist law|anarchist legal philosophy]] reflect [[Libertarian socialism|anti-authoritarian interpretations]] of [[anarcho-communism|communism]], [[collectivist anarchism|collectivism]], [[anarcho-syndicalism|syndicalism]], [[Mutualism (economic theory)|mutualism]], or [[participatory economics]].&lt;ref&gt;&quot;The anarchists were unanimous in subjecting authoritarian socialism to a barrage of severe criticism. At the time when they made violent and satirical attacks these were not entirely well founded, for those to whom they were addressed were either primitive or “vulgar” communists, whose thought had not yet been fertilized by Marxist humanism, or else, in the case of Marx and Engels themselves, were not as set on authority and state control as the anarchists made out.&quot; Daniel Guerin, ''[http://theanarchistlibrary.org/library/daniel-guerin-anarchism-from-theory-to-practice#toc2 Anarchism: From Theory to Practice]'' (New York: Monthly Review Press, 1970)&lt;/ref&gt;

Anarchism as a mass [[social movement]] has regularly endured fluctuations in popularity.{{Citation needed|date=February 2014}} The central tendency of anarchism as a social movement has been represented by [[Anarchist communism|anarcho-communism]] and [[anarcho-syndicalism]], with [[individualist anarchism]] being primarily a literary phenomenon&lt;ref&gt;[[Alexandre Skirda|Skirda, Alexandre]]. ''Facing the Enemy: A History of Anarchist Organization from Proudhon to May 1968''. AK Press, 2002, p. 191.&lt;/ref&gt; which nevertheless did have an impact on the bigger currents&lt;ref&gt;Catalan historian Xavier Diez reports that the Spanish individualist anarchist press was widely read by members of [[anarcho-communist]] groups and by members of the [[anarcho-syndicalist]] trade union [[Confederación Nacional del Trabajo|CNT]]. There were also the cases of prominent individualist anarchists such as [[Federico Urales]] and [[Miguel Gimenez Igualada]] who were members of the [[Confederación Nacional del Trabajo|CNT]] and J. Elizalde who was a founding member and first secretary of the [[Iberian Anarchist Federation]]. Xavier Diez. ''El anarquismo individualista en España: 1923–1938.'' ISBN 978-84-96044-87-6&lt;/ref&gt; and individualists have also participated in large anarchist organisations.&lt;ref&gt;&lt;!--The exact location of this excerpt should be added to the reference.--&gt;{{cite web |url=http://web.archive.org/web/20070930014916/http://public.federation-anarchiste.org/IMG/pdf/Cedric_Guerin_Histoire_du_mvt_libertaire_1950_1970.pdf |title=Pensée et action des anarchistes en France: 1950–1970 |last=Guérin |first=Cédric |page= |pages= |at= |language=French |archiveurl=http://web.archive.org/web/20070930014916/http://public.federation-anarchiste.org/IMG/pdf/Cedric_Guerin_Histoire_du_mvt_libertaire_1950_1970.pdf |archivedate=30 September 2007 |deadurl=yes |quote=Within the [[Synthesis anarchism|synthesist]] anarchist organisation, the [[Fédération Anarchiste]], there existed an individualist anarchist tendency alongside anarcho-communist and anarchosyndicalist currents. Individualist anarchists participating inside the [[Fédération Anarchiste]] included [[Charles-Auguste Bontemps]], Georges Vincey and André Arru.}}&lt;/ref&gt;&lt;ref&gt;In Italy in 1945, during the Founding Congress of the [[Italian Anarchist Federation]], there was a group of individualist anarchists led by Cesare Zaccaria who was an important anarchist of the time.[http://www.katesharpleylibrary.net/73n6nh Cesare Zaccaria (19 August 1897 – October 1961) by Pier Carlo Masini and Paul Sharkey]&lt;/ref&gt; Many anarchists [[non-aggression principle|oppose all forms of aggression]], supporting [[self-defense]] or [[non-violence]] ([[anarcho-pacifism]]),&lt;ref name=&quot;ppu.org.uk&quot;&gt;{{cite web |url=http://www.ppu.org.uk/e_publications/dd-trad8.html#anarch%20and%20violence |title=&quot;Resisting the Nation State, the pacifist and anarchist tradition&quot; by Geoffrey Ostergaard |publisher=Ppu.org.uk |date=6 August 1945 |accessdate=20 September 2010}}&lt;/ref&gt;&lt;ref name=&quot;Anarchism 1962&quot;&gt;[[George Woodcock]]. ''Anarchism: A History of Libertarian Ideas and Movements'' (1962)&lt;/ref&gt; while others have supported the use of some [[coercion|coercive]] measures, including violent revolution and [[propaganda of the deed]], on the path to an anarchist society.&lt;ref&gt;Fowler, R.B. &quot;The Anarchist Tradition of Political Thought.&quot; ''The Western Political Quarterly'', Vol. 25, No. 4. (December 1972), pp. 743–44.&lt;/ref&gt;

==Etymology and terminology==
{{Related articles|Anarchist terminology}}

The term ''[[wikt:anarchism|anarchism]]'' is a compound word composed from the word ''[[anarchy]]'' and the suffix ''[[-ism]]'',&lt;ref&gt;[http://www.etymonline.com/index.php?term=anarchism&amp;allowed_in_frame=0 Anarchism], [[Online etymology dictionary]].&lt;/ref&gt; themselves derived respectively from the Greek {{lang|grc|ἀναρχία}}, i.e. ''anarchy''&lt;ref&gt;{{LSJ|a)narxi/a|ἀναρχία|ref}}.&lt;/ref&gt;&lt;ref&gt;[http://www.merriam-webster.com/dictionary/anarchy Anarchy], [[Merriam-Webster]] online.&lt;/ref&gt;&lt;ref&gt;[http://www.etymonline.com/index.php?term=anarchy&amp;allowed_in_frame=0 Anarchy], [[Online etymology dictionary]].&lt;/ref&gt; (from {{lang|grc|ἄναρχος}}, ''anarchos'', meaning &quot;one without rulers&quot;;&lt;ref&gt;{{LSJ|a)/narxos|ἄναρχος|ref}}.&lt;/ref&gt; from the [[privative]] prefix [[privative alpha|ἀν]]- (''an-'', i.e. &quot;without&quot;) + {{lang|grc|ἀρχός}}, ''archos'', i.e. &quot;leader&quot;, &quot;ruler&quot;;&lt;ref&gt;{{LSJ|a)rxo/s|ἀρχός|ref}}&lt;/ref&gt; (cf. ''[[archon]]'' or {{lang|grc|ἀρχή}}, ''arkhē'', i.e. &quot;authority&quot;, &quot;sovereignty&quot;, &quot;realm&quot;, &quot;magistracy&quot;)&lt;ref&gt;{{LSJ|a)rxh/|ἀρχή|ref}}.&lt;/ref&gt;) and the suffix {{lang|grc|-ισμός}} or {{lang|grc|-ισμα}} (''-ismos'', ''-isma'', from the verbal [[infinitive]] suffix -ιζειν, ''-izein'').&lt;ref&gt;[http://www.etymonline.com/index.php?term=-ism&amp;allowed_in_frame=0 -ism], [[Online etymology dictionary]].&lt;/ref&gt; The first known use of this word was in 1539.&lt;ref&gt;&quot;Origin of ANARCHY
Medieval Latin anarchia, from Greek, from anarchos having no ruler, from an- + archos ruler — more at arch-
First Known Use: 1539&quot; [http://www.merriam-webster.com/dictionary/anarchy &quot;Anarchy&quot; at Merriam Webster dictionary online]&lt;/ref&gt;''Anarchist'' was the term adopted by [[Maximilien de Robespierre]] to attack those on the left whom he had used for his own ends during the French Revolution but was determined to get rid of, though among these &quot;anarchists&quot; there were few who exhibited the social revolt characteristics of later anarchists. There would be many revolutionaries of the early nineteenth century who contributed to the anarchist doctrines of the next generation, such as [[William Godwin]] and [[Wilhelm Weitling]], but they did not use the word ''anarchist'' or ''anarchism'' in describing themselves or their beliefs.&lt;ref&gt;{{cite book |title=The Anarchists |last=Joll |first=James |year=1964 |publisher=Harvard University Press |isbn=0-674-03642-5 |pages=27–37}}&lt;/ref&gt; [[Pierre-Joseph Proudhon]] was the first political philosopher to call himself an anarchist, marking the formal birth of anarchism in the mid-nineteenth century. Since the 1890s from France,&lt;ref&gt;{{cite book |title=A Short History of Anarchism |last=Nettlau |first=Max |authorlink=Max Nettlau |year=1996 |publisher=Freedom Press |isbn=0-900384-89-1 |page=162}}&lt;/ref&gt; the term ''libertarianism'' has often been used as a synonym for anarchism&lt;ref&gt;&quot;At the end of the century in France, Sebastien Faure took up a word used in 1858 by one Joseph Dejacque to make it the title of a journal, Le Libertaire. Today the terms &quot;anarchist&quot; and &quot;libertarian&quot; have become interchangeable.&quot; [http://www.theanarchistlibrary.org/HTML/Daniel_Guerin__Anarchism__From_Theory_to_Practice.html#toc2 ''Anarchism: From Theory to Practice''] [[Daniel Guérin]]&lt;/ref&gt; and was used almost exclusively in this sense until the 1950s in the United States;&lt;ref&gt;Russell, Dean. [http://www.boogieonline.com/revolution/politics/name.html ''Who is a Libertarian?''], [[Foundation for Economic Education]], &quot;Ideas on Liberty,&quot; May 1955.&lt;/ref&gt; its use as a synonym is still common outside the United States.&lt;ref&gt;
* Ward, Colin. Anarchism: A Very Short Introduction. Oxford University Press 2004 p. 62
* Goodway, David. Anarchists Seed Beneath the Snow. Liverpool Press. 2006, p. 4
* MacDonald, Dwight &amp; Wreszin, Michael. Interviews with [[Dwight Macdonald]]. University Press of Mississippi, 2003. p. 82
* Bufe, Charles. The Heretic's Handbook of Quotations. See Sharp Press, 1992. p. iv
* Gay, Kathlyn. Encyclopedia of Political Anarchy. ABC-CLIO / University of Michigan, 2006, p. 126
* [[George Woodcock|Woodcock, George]]. Anarchism: A History of Libertarian Ideas and Movements. Broadview Press, 2004. (Uses the terms interchangeably, such as on page 10)
* [[Alexandre Skirda|Skirda, Alexandre]]. Facing the Enemy: A History of Anarchist Organization from Proudhon to May 1968. AK Press 2002. p. 183.
* Fernandez, Frank. Cuban Anarchism. The History of a Movement. See Sharp Press, 2001, page 9.&lt;/ref&gt; On the other hand, some use ''[[libertarianism]]'' to refer to individualistic free-market philosophy only, referring to free-market anarchism as ''[[libertarian anarchism]]''.&lt;ref&gt;Morris, Christopher. 1992. ''An Essay on the Modern State''. Cambridge University Press. p. 61. (Using &quot;libertarian anarchism&quot; synonymously with &quot;individualist anarchism&quot; when referring to individualist anarchism that supports a [[market economy|market society]]).&lt;/ref&gt;&lt;ref&gt;{{cite book |last=Burton |first=Daniel C. |title= Libertarian anarchism  |url= http://www.libertarian.co.uk/lapubs/polin/polin168.pdf |publisher=[[Libertarian Alliance]] |year= |page=}}&lt;/ref&gt;

==History==
{{Main|History of anarchism}}

===Origins===
[[Image:Levellers declaration and standard.gif|thumb|200px|Woodcut from a [[Diggers]] document by [[William Everard (Digger)|William Everard]]]]
&lt;!--Anarcho-communist Joseph Déjacque, the first person to use the term &quot;libertarian&quot; in a political sense and self-proclaimed advocate of libertarianism, needs to be added here. His work and stances on anarchism are very relevant to this particular section of the article. Additionally, his criticisms of Pierre-Joseph Proudhon's mutualism are very relevant here.--&gt;
The earliest&lt;ref name=&quot;LVM&quot;&gt;[http://mises.org/daily/2054#1.10 Taoism in Ancient China]&lt;/ref&gt; anarchist themes can be found in the 6th century BC, among the works of [[Taoism|Taoist]] philosopher [[Laozi]],&lt;ref name=&quot;EB1910&quot;&gt;Peter Kropotkin, [http://dwardmac.pitzer.edu/Anarchist_Archives/kropotkin/britanniaanarchy.html &quot;Anarchism&quot;], ''[[Encyclopædia Britannica Eleventh Edition|Encyclopædia Britannica]]'' 1910.&lt;/ref&gt; and in later centuries by [[Zhuangzi]] and Bao Jingyan.&lt;ref name=autogenerated1&gt;[http://robertgraham.wordpress.com/anarchism-a-documentary-history-of-libertarian-ideas-volume-one-from-anarchy-to-anarchism-300ce-1939/ Anarchism: A Documentary History of Libertarian Ideas, Volume One: From Anarchy to Anarchism (300CE-1939) « Robert Graham's Anarchism Weblog&lt;!-- Bot generated title --&gt;]&lt;/ref&gt; Zhuangzi's philosophy has been described by various sources as anarchist.&lt;ref&gt;&quot;The priority of dao over tiannature:sky underwrites the themes of dependency and relativism that pervade the Zhuangzi and ultimately the skepticism, the open-minded toleration and the political anarchism (or disinterest in political activity or involvement).&quot; [http://plato.stanford.edu/entries/taoism/ &quot;Taoism&quot; at the Standford Encyclopedia of Philosophy]&lt;/ref&gt;&lt;ref&gt;&quot;Doing nothing [wu wei] is the famous Daoist concept for natural action, action in accord with Dao, action in which we freely follow our own way and allow other beings to do likewise. Zhuangzi, the great anarchic Daoist sage, compared it to &quot;riding on the wind.&quot; [http://www.theanarchistlibrary.org/HTML/Max_Cafard__Zen_Anarchy.html Max Cafard. &quot;Zen Anarchy&quot;]&lt;/ref&gt;&lt;ref&gt;&quot;Zhuangzi helps us discover an anarchistic epistemology and sensibility. He describes a state in which &quot;you are open to everything you see and hear, and allow this to act through you.&quot;[45] Part of wuwei, doing without doing, is &quot;knowing without knowing,&quot; knowing as being open to the things known, rather than conquering and possessing the objects of knowledge. This means not imposing our prejudices (whether our own personal ones, our culture's, or those built into the human mind) on the Ten Thousand Things.&quot; [http://www.theanarchistlibrary.org/HTML/Max_Cafard__The_Surre_gion_alist_Manifesto_and_Other_Writings.html#toc24 Max Cafard. ''The Surre(gion)alist Manifesto and Other Writings'']&lt;/ref&gt;&lt;ref&gt;&quot;The next group of interpreters have also become incorporated into the extant version of the text. They are the school of anarchistically inclined philosophers, that Graham identifies as a &quot;Primitivist&quot; and a school of &quot;Yangists,&quot; chapters 8 to 11, and 28 to 31. These thinkers appear to have been profoundly influenced by the Laozi, and also by the thought of the first and last of the Inner Chapters: &quot;Wandering Beyond,&quot; and &quot;Responding to Emperors and Kings.&quot; There are also possible signs of influence from Yang Zhu, whose concern was to protect and cultivate one's inner life-source. These chapters combine the anarchistic ideals of a simple life close to nature that can be found in the Laozi with the practices that lead to the cultivation and nurturing of life. &quot; [http://www.iep.utm.edu/zhuangzi/ &quot;Zhuangzi (Chuang-Tzu, 369–298 BCE)&quot; at the Internet Encyclopedia of Philosophy]&lt;/ref&gt; [[Zhuangzi]] wrote, &quot;A petty thief is put in jail. A great [[wikt:brigand|brigand]] becomes a ruler of a Nation.&quot;&lt;ref&gt;{{cite web |url=http://www.mises.org/journals/jls/9_2/9_2_3.pdf|format=PDF|title=Concepts of the role of intellectuals in social change toward laissez faire|author=[[Murray Rothbard]]|accessdate=28 December 2008| archiveurl= http://web.archive.org/web/20081216214953/http://www.mises.org/journals/jls/9_2/9_2_3.pdf| archivedate= 16 December 2008&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; [[Diogenes of Sinope]] and the [[Cynicism (philosophy)|Cynics]], their contemporary [[Zeno of Citium]], the founder of [[Stoicism]], also introduced similar topics.&lt;ref name=&quot;EB1910&quot; /&gt;&lt;ref&gt;{{IEP|c/cynics.htm|Cynics|Julie Piering}}&lt;/ref&gt; Jesus is sometimes considered the first anarchist in the [[Christian anarchism|Christian anarchist]] tradition. Georges Lechartier wrote that &quot;The true founder of anarchy was Jesus Christ and&amp;nbsp;... the first anarchist society was that of the apostles.&quot;&lt;ref&gt;Cited in George Woodcock, ''Anarchism: A History of Libertarian Ideas and Movements'' (Cleveland: Meridian Books, 1962), p. 38.&lt;/ref&gt; In early Islamic history, some manifestations of anarchic thought are found during the [[Second Fitna|Islamic civil war]] over the [[Caliphate]], where the [[Kharijites]] insisted that the [[imamate]] is a right for each individual within the Islamic society.&lt;ref&gt;[http://theanarchistlibrary.org/library/mohamed-jean-veneuse-anarca-islam#fn_back31 Mohamed Jean Veneuse, ''Anarcha-Islam'', 2009]&lt;/ref&gt; Later, some [[Muslim]] scholars, such as Amer al-Basri&lt;ref&gt;هادي العلوي, ''شخصيات غير قلقة في الإسلام'', دار الكنوز الأدبية، بيروت، 1995، ص36&lt;/ref&gt; and [[Abu Hanifa]],&lt;ref&gt;هادي العلوي, ''شخصيات غير قلقة في الإسلام'', دار الكنوز الأدبية، بيروت، 1995، ص136&lt;/ref&gt; led movements of boycotting the rulers, paving the way to the [[Waqf|''awqaf'']] (endowments) tradition, which served as an alternative to and asylum from the centralized authorities of the emirs. But such interpretations reverberates subversive religious conceptions like the aforementioned seemingly anarchistic Taoist teachings and that of other anti-authoritarian religious traditions creating a complex relationship regarding the question as to whether or not [[Anarchism and religion|anarchism and religion are compatible]]. This is exemplified when the glorification of the state is viewed as a form of sinful [[idolatry]].&lt;ref name=CritiqueofViolence&gt;{{cite web |first=Alexandre |last=Christoyannopoulos |url=http://www.psa.ac.uk/journals/pdf/5/2010/1338_1226.pdf |title=A Christian Anarchist Critique of Violence: From Turning the Other Cheek to a Rejection of the State |pages= |date = March 2010|publisher= Political Studies Association}}&lt;/ref&gt;&lt;ref&gt;{{cite book |title=Christian Anarchism: A Political Commentary on the Gospel |last=Christoyannopoulos |first=Alexandre |authorlink=Alexandre Christoyannopoulos |coauthors= |year=2010 |publisher=Imprint Academic |location=Exeter |isbn= |page=254 |pages= |url= |accessdate= |quote=The state as idolatry}}&lt;/ref&gt;

The French [[Renaissance humanism|renaissance]] political philosopher [[Étienne de La Boétie]] wrote in his most famous work the ''Discourse on Voluntary Servitude'' what some historians consider an important anarchist precedent.&lt;ref&gt;Several historians of anarchism have gone so far as to classify La Botie's treatise itself as anarchist, which is incorrect since La botie never extended his analysis from tyrannical government to government per se. But while La Botie cannot be considered an anarchist, his sweeping strictures on tyranny and the universality of his political philosophy lend themselves easily to such an expansion.[http://books.google.com.ec/books?id=6o-8P3iqf7IC&amp;pg=PA18&amp;lpg=PA18&amp;dq=anarchism+la+boetie&amp;source=bl&amp;ots=z79GU1rW1t&amp;sig=4ini7oZUie2U8-P0BpMLogXYWPs&amp;hl=en&amp;sa=X&amp;ei=eAOFUJCYJ4Le9AT_iYG4DA&amp;ved=0CD0Q6AEwBQ#v=onepage&amp;q=anarchism%20la%20boetie&amp;f=false ''Introduction to The Politics of Obedience: The Discourse of Voluntary Servitude'' by Murray Rothbard. Ludwig Von Mises Institute. p. 18]&lt;/ref&gt;&lt;ref&gt;&quot;Quite rightly, La Boëtie recognizes the potential for domination in any democracy: the democratic leader, elected by the people, becomes intoxicated with his own power and teeters increasingly towards tyranny. Indeed, we can see modern democracy itself as an instance of voluntary servitude on a mass scale. It is not so much that we participate in an illusion whereby we are deceived by elites into thinking we have a genuine say in decision-making. It is rather that democracy itself has encouraged a mass contentment with powerlessness and a general love of submission.&quot;[http://theanarchistlibrary.org/library/saul-newman-voluntary-servitude-reconsidered-radical-politics-and-the-problem-of-self-dominatio &quot;Voluntary Servitude Reconsidered: Radical Politics and the Problem of Self-Domination&quot;] [[Saul Newman]]&lt;/ref&gt;
The radical [[Protestant Christianity|Protestant Christian]] [[Gerrard Winstanley]] and his group the [[Diggers]] are cited by various authors as proposing anarchist social measures in the 17th century in England.&lt;ref&gt;&quot;Anarchists have regarded the secular revolt of the Diggers, or True Levellers, in seventeenth-century England led by Gerrard Winstanley as a source of pride. Winstanley, deeming that property is corrupting, opposed clericalism, political power and privilege. It is economic inequality, he believed, that produces crime and misery. He championed a primitive communalism based on the pure teachings of God as comprehended through reason.&quot; [http://www.theanarchistlibrary.org/HTML/Kenneth_C._Wenzer__Godwin_s_Place_in_the_Anarchist_Tradition___a_Bicentennial_Tribute.html Kenneth C. Wenzer. &quot;Godwin's Place in the Anarchist Tradition — a Bicentennial Tribute&quot;]&lt;/ref&gt;&lt;ref&gt;&quot;It was in these conditions of class struggle that, among a whole cluster of radical groups such as the Fifth Monarchy Men, the [[Levellers]] and the Ranters, there emerged perhaps the first real proto-anarchists, the Diggers, who like the classical 19th century anarchists identified political and economic power and who believed that a social, rather than political revolution was necessary for the establishment of justice. Gerrard Winstanley, the Diggers' leader, made an identification with the word of God and the principle of reason, an equivalent philosophy to that found in [[Tolstoy]]'s ''[[The Kingdom of God is Within You]]''.&quot; Marlow. &quot;Anarchism and Christianity&quot;&lt;/ref&gt;&lt;ref&gt;&quot;Although Proudhon was the first writer to call himself an anarchist, at least two predecessors outlined systems that contain all the basic elements of anarchism. The first was Gerrard Winstanley (1609–c. 1660), a linen draper who led the small movement of the Diggers during the Commonwealth. Winstanley and his followers protested in the name of a radical Christianity against the economic distress that followed the Civil War and against the inequality that the grandees of the New Model Army seemed intent on preserving. In 1649–1650 the Diggers squatted on stretches of common land in southern England and attempted to set up communities based on work on the land and the sharing of goods.&quot; George Woodcock Anarchism The Encyclopedia of Philosophy&lt;/ref&gt; The term &quot;anarchist&quot; first entered the English language in 1642, during the [[English Civil War]], as a [[Pejorative|term of abuse]], used by [[Cavalier|Royalists]] against their [[Roundhead]] opponents.&lt;ref name=bbc&gt;[http://www.bbc.co.uk/radio4/history/inourtime/inourtime_20061207.shtml &quot;Anarchism&quot;], [[BBC Radio 4]] program, [[In Our Time (BBC Radio 4)|In Our Time]], Thursday 7 December 2006. Hosted by [[Melvyn Bragg]] of the BBC, with John Keane, Professor of Politics at [[University of Westminster]], [[Ruth Kinna]], Senior Lecturer in Politics at [[Loughborough University]], and [[Peter Marshall (author)|Peter Marshall]], philosopher and historian.&lt;/ref&gt; By the time of the [[French Revolution]] some, such as the ''[[Enragés]]'', began to use the term positively,&lt;ref&gt;Sheehan, Sean. ''Anarchism'', London: Reaktion Books Ltd., 2004. p. 85.&lt;/ref&gt; in opposition to [[Jacobin (politics)|Jacobin]] centralisation of power, seeing &quot;revolutionary government&quot; as [[oxymoron]]ic.&lt;ref name=bbc/&gt; By the turn of the 19th century, the English word &quot;anarchism&quot; had lost its initial negative connotation.&lt;ref name=bbc/&gt;

Modern anarchism sprang from the secular or religious thought of the [[Age of Enlightenment|Enlightenment]], particularly [[Jean-Jacques Rousseau]]'s arguments for the moral centrality of freedom.&lt;ref name=Encarta&gt;&quot;Anarchism&quot;, ''[[Encarta]] Online Encyclopedia'' 2006 (UK version).&lt;/ref&gt;

As part of the political turmoil of the 1790s in the wake of the [[French Revolution]], [[William Godwin]] developed the first expression of [[anarchist schools of thought|modern anarchist thought]].&lt;ref name=&quot;Everhart, Robert B 1982. p. 115&quot;&gt;Everhart, Robert B. The Public School Monopoly: A Critical Analysis of Education and the State in American Society. Pacific Institute for Public Policy Research, 1982. p. 115.&lt;/ref&gt;&lt;ref name=&quot;godwinsep&quot; /&gt; Godwin was, according to [[Peter Kropotkin]], &quot;the first to formulate the political and economical conceptions of anarchism, even though he did not give that name to the ideas developed in his work&quot;,&lt;ref name=&quot;EB1910&quot; /&gt; while Godwin attached his anarchist ideas to an early [[Edmund Burke]].&lt;ref&gt;Godwin himself attributed the first anarchist writing to [[Edmund Burke]]'s '' [[A Vindication of Natural Society]]''. &quot;Most of the above arguments may be found much more at large in Burke's ''Vindication of Natural Society''; a treatise in which the evils of the existing political institutions are displayed with incomparable force of reasoning and lustre of eloquence&amp;nbsp;...&quot; – footnote, Ch. 2 ''[[Political Justice]]'' by William Godwin.&lt;/ref&gt;

[[File:WilliamGodwin.jpg|left|thumb|[[William Godwin]], &quot;the first to formulate the political and economical conceptions of anarchism, even though he did not give that name to the ideas developed in his work&quot;.&lt;ref name=&quot;EB1910&quot;&gt;Peter Kropotkin, [http://dwardmac.pitzer.edu/Anarchist_Archives/kropotkin/britanniaanarchy.html &quot;Anarchism&quot;], ''[[Encyclopædia Britannica Eleventh Edition|Encyclopædia Britannica]]'' 1910.&lt;/ref&gt;]]
Godwin is generally regarded as the founder of the school of thought known as 'philosophical anarchism'. He argued in ''[[Political Justice]]'' (1793)&lt;ref name=&quot;godwinsep&quot; /&gt;&lt;ref name=&quot;Adams, Ian 2001. p. 116&quot;&gt;Adams, Ian. Political Ideology Today. Manchester University Press, 2001. p. 116.&lt;/ref&gt; that government has an inherently malevolent influence on society, and that it perpetuates dependency and ignorance. He thought that the spread of the use of reason to the masses would eventually cause government to wither away as an unnecessary force. Although he did not accord the state with moral legitimacy, he was against the use of revolutionary tactics for removing the government from power. Rather, he advocated for its replacement through a process of peaceful evolution.&lt;ref name=&quot;godwinsep&quot;&gt;{{sep entry|godwin|William Godwin|Mark Philip|2006-05-20}}&lt;/ref&gt;&lt;ref&gt;{{Cite book|title=[[Political Justice|Enquiry Concerning Political Justice and its Influence on Modern Morals and Manners]] |last=Godwin |first=William |authorlink=William Godwin |year=1796 |publisher=G.G. and J. Robinson |oclc=2340417 |origyear=1793}}&lt;/ref&gt;

His aversion to the imposition of a rules-based society led him to denounce, as a manifestation of the people’s ‘mental enslavement’, the foundations of [[law]], [[property rights]] and even the institution of [[marriage]]. He considered the basic foundations of society as constraining the natural development of individuals to use their powers of reasoning to arrive at a mutually beneficial method of social organisation. In each case, government and its institutions are shown to constrain the development of our capacity to live wholly in accordance with the full and free exercise of private judgment.
 
The French [[Pierre-Joseph Proudhon]] is regarded as the first ''self-proclaimed'' anarchist, a label he adopted in his groundbreaking work ''[[What is Property?]]'', published in 1840. It is for this reason that some claim Proudhon as the founder of modern anarchist theory.&lt;ref&gt;Daniel Guerin, ''Anarchism: From Theory to Practice'' (New York: Monthly Review Press, 1970).&lt;/ref&gt; He developed the theory of [[spontaneous order]] in society, where organisation emerges without a central coordinator imposing its own idea of order against the wills of individuals acting in their own interests; his famous quote on the matter is, &quot;Liberty is the mother, not the daughter, of order.&quot; In ''What is Property?'' Proudhon answers with the famous accusation &quot;[[Property is theft]].&quot; In this work, he opposed the institution of decreed &quot;property&quot; (''propriété''), where owners have complete rights to &quot;use and abuse&quot; their property as they wish.&lt;ref name=&quot;proudhon-prop&quot;&gt;[[Pierre-Joseph Proudhon|Proudhon]], Pierre-Joseph. ''&quot;[http://www.marxists.org/reference/subject/economics/proudhon/property/ch03.htm Chapter 3. Labour as the efficient cause of the domain of property]&quot;'' from ''&quot;[[What is Property?]]&quot;'', 1840&lt;/ref&gt; He contrasted this with what he called &quot;possession,&quot; or limited ownership of resources and goods only while in more or less continuous use. Later, however, Proudhon added that &quot;Property is Liberty,&quot; and argued that it was a bulwark against state power.&lt;ref&gt;Edwards, Stewart. Introduction to ''Selected Writings of Pierre-Joseph Proudhon'', Anchor Books, Doubleday &amp; Company, Inc. 1969, p. 33&lt;/ref&gt; His opposition to the state, organised religion, and certain capitalist practices inspired subsequent anarchists, and made him one of the leading social thinkers of his time.

The anarcho-communist [[Joseph Déjacque]] was the first person to describe himself as &quot;[[libertarian socialism|libertarian]]&quot;.&lt;ref name=&quot;Dejacque&quot;&gt;Joseph Déjacque, [http://joseph.dejacque.free.fr/ecrits/lettreapjp.htm De l'être-humain mâle et femelle - Lettre à P.J. Proudhon par Joseph Déjacque] (in French)&lt;/ref&gt; Unlike [[Pierre-Joseph Proudhon]], he argued that, &quot;it is not the product of his or her labour that the worker has a right to, but to the satisfaction of his or her needs, whatever may be their nature.&quot;&lt;ref&gt;&quot;l'Echange&quot;, article in ''Le Libertaire'' no 6, 21 September 1858, New York. [http://joseph.dejacque.free.fr/libertaire/n06/lib01.htm]&lt;/ref&gt; In 1844 in Germany the post-hegelian philosopher [[Max Stirner]] published the book ''[[The Ego and Its Own]]'' which will later be considered an influential early text of [[individualist anarchism]].&lt;ref name = &quot;SEP-Stirner&quot; /&gt; Anarchists active in the [[1848 Revolution]] in France, included [[Anselme Bellegarrigue]], Ernest Coeurderoy, [[Joseph Déjacque]]&lt;ref name=&quot;Dejacque&quot;&gt;Joseph Déjacque, [http://joseph.dejacque.free.fr/ecrits/lettreapjp.htm De l'être-humain mâle et femelle - Lettre à P.J. Proudhon par Joseph Déjacque] (in French)&lt;/ref&gt; and [[Pierre Joseph Proudhon]].&lt;ref&gt;[http://theanarchistlibrary.org/library/pierre-joseph-proudhon-toast-to-the-revolution  Pierre-Joseph Proudhon. &quot;Toast to the Revolution&quot;]&lt;/ref&gt;&lt;ref&gt;[http://books.google.com.ec/books/about/L_acitivit%C3%A9_d_un_socialiste_de_1848.html?id=wbrfSAAACAAJ&amp;redir_esc=y Elisa Sudan. L'acitivité d'un socialiste de 1848: Pierre-Joseph Proudhon. Galley &amp; Cie, 1921, 63 pages]&lt;/ref&gt;

===First International and the Paris Commune===
{{Main|International Workingmen's Association|Paris Commune}}
[[File:Bakunin.png|thumb|Collectivist anarchist [[Mikhail Bakunin]] opposed the [[Marxist]] aim of [[dictatorship of the proletariat]] in favour of universal rebellion, and allied himself with the federalists in the First International before his expulsion by the Marxists.&lt;ref name=bbc/&gt;]]

In Europe, harsh reaction followed the [[revolutions of 1848]], during which ten countries had experienced brief or long-term social upheaval as groups carried out nationalist uprisings. After most of these attempts at systematic change ended in failure, conservative elements took advantage of the divided groups of socialists, anarchists, liberals, and nationalists, to prevent further revolt.&lt;ref&gt;{{cite book |last=Breunig |first=Charles |title=The Age of Revolution and Reaction, 1789–1850 |year=1977 |publisher=[[W. W. Norton &amp; Company]] |location=New York, N.Y |isbn=0-393-09143-0 }}&lt;/ref&gt; In 1864 the [[International Workingmen's Association]] (sometimes called the &quot;First International&quot;) united diverse revolutionary currents including French followers of [[Pierre-Joseph Proudhon|Proudhon]],&lt;ref&gt;{{cite book | last = Blin | first = Arnaud | title = The History of Terrorism | publisher = University of California Press | location = Berkeley | year = 2007 | isbn = 0-520-24709-4 |page=116}}&lt;/ref&gt; [[Blanquism|Blanquists]], [[Philadelphes]], English trade unionists, socialists and [[social democrats]].

Due to its links to active workers' movements, the International became a significant organisation. [[Karl Marx]] became a leading figure in the International and a member of its General Council. Proudhon's followers, the [[Mutualism (economic theory)|mutualists]], opposed Marx's [[state socialism]], advocating political [[abstentionism]] and small property holdings.&lt;ref&gt;{{cite book | last = Dodson | first = Edward | title = The Discovery of First Principles: Volume 2 | publisher = Authorhouse | page=312 | year = 2002 | isbn = 0-595-24912-4 }}&lt;/ref&gt;&lt;ref&gt;{{cite book | last = Thomas | first = Paul | title = Karl Marx and the Anarchists | publisher = Routledge &amp; Kegan Paul |ref=harv | location = London | year = 1985 | isbn = 0-7102-0685-2 |page=187}}&lt;/ref&gt;

In 1868, following their unsuccessful participation in the [[League of Peace and Freedom]] (LPF), Russian revolutionary [[Mikhail Bakunin]] and his [[collectivist anarchism|collectivist anarchist]] associates joined the First International (which had decided not to get involved with the LPF).&lt;ref&gt;{{cite book | last = Thomas | first = Paul | title = Karl Marx and the Anarchists | publisher = Routledge and Kegan Paul | location = London | year = 1980 | isbn = 0-7102-0685-2 |page=304}}&lt;/ref&gt; They allied themselves with the [[federalist]] socialist sections of the International,&lt;ref&gt;{{cite book | last = Bak | first = Jǹos | title = Liberty and Socialism | publisher = Rowman &amp; Littlefield Publishers | location = Lanham | year = 1991 | isbn = 0-8476-7680-3 |page=236}}&lt;/ref&gt; who advocated the revolutionary overthrow of the state and the collectivization of property.

At first, the collectivists worked with the Marxists to push the First International in a more revolutionary socialist direction. Subsequently, the International became polarised into two camps, with Marx and Bakunin as their respective figureheads.&lt;ref&gt;{{cite book | last = Engel | first = Barbara | title = Mothers and Daughters | publisher = Northwestern University Press | location = Evanston | year = 2000 | isbn = 0-8101-1740-1 |page=140}}&lt;/ref&gt; Bakunin characterised Marx's ideas as [[centralism|centralist]] and predicted that, if a Marxist party came to power, its leaders would simply take the place of the [[ruling class]] they had fought against.&lt;ref name=&quot;bakuninmarx&quot; /&gt;&lt;ref&gt;{{cite book |last=Bakunin|first=Mikhail|authorlink=Mikhail Bakunin|origyear=1873|year=1991|title=Statism and Anarchy |publisher=Cambridge University Press|isbn=0-521-36973-8}}&lt;/ref&gt;

Anarchist historian [[George Woodcock]] reports that &quot;The annual Congress of the International had not taken place in 1870 owing to the outbreak of the Paris Commune, and in 1871 the General Council called only a special conference in London. One delegate was able to attend from Spain and none from Italy, while a technical excuse – that they had split away from the Fédération Romande – was used to avoid inviting Bakunin's Swiss supporters. Thus only a tiny minority of anarchists was present, and the General Council's resolutions passed almost unanimously. Most of them were clearly directed against Bakunin and his followers.&quot;&lt;ref name=&quot;Anarchism 1962&quot;/&gt; In 1872, the conflict climaxed with a final split between the two groups at the [[Hague Congress (1872)|Hague Congress]], where Bakunin and [[James Guillaume]] were expelled from the International and its headquarters were transferred to New York. In response, the federalist sections formed their own International at the [[Anarchist St. Imier International|St. Imier Congress]], adopting a revolutionary anarchist program.&lt;ref name=Graham-05&gt;Graham, Robert '[http://www.blackrosebooks.net/anarism1.htm ''Anarchism''] (Montreal: Black Rose Books 2005) ISBN 1-55164-251-4.&lt;/ref&gt;

The [[Paris Commune]] was a government that briefly ruled Paris from 18 March (more formally, from 28 March) to 28 May 1871. The Commune was the result of an uprising in Paris after France was defeated in the Franco-Prussian War. Anarchists participated actively in the establishment of the Paris Commune. They included {{quote|[[Louise Michel]], the Reclus brothers, and [[Eugene Varlin]] (the latter murdered in the repression afterwards). As for the reforms initiated by the Commune, such as the re-opening of workplaces as co-operatives, anarchists can see their ideas of associated labour beginning to be realised&amp;nbsp;... Moreover, the Commune's ideas on federation obviously reflected the influence of [[Pierre-Joseph Proudhon|Proudhon]] on French radical ideas. Indeed, the Commune's vision of a communal France based on a federation of delegates bound by imperative mandates issued by their electors and subject to recall at any moment echoes Bakunin's and Proudhon's ideas (Proudhon, like Bakunin, had argued in favour of the &quot;implementation of the binding mandate&quot; in 1848&amp;nbsp;... and for federation of communes). Thus both economically and politically the Paris Commune was heavily influenced by anarchist ideas.&lt;ref&gt;[http://flag.blackened.net/revolt/anarchism/writers/anarcho/commune.html &quot;The Paris Commune&quot; by Anarcho]&lt;/ref&gt;}} George Woodcock states:
{{quote|a notable contribution to the activities of the Commune and particularly to the organisation of public services was made by members of various anarchist factions, including the mutualists Courbet, Longuet, and Vermorel, the [[Collectivist anarchism|libertarian collectivists]] Varlin, Malon, and Lefrangais, and the bakuninists Elie and [[Elisée Reclus]] and Louise Michel.&lt;ref name=&quot;Anarchism 1962&quot;/&gt;}}

===Organised labour===
{{Main|Anarcho-syndicalism|International Workers' Association|Anarchism in Spain|Spanish Revolution}}
The anti-authoritarian sections of the First International were the precursors of the anarcho-syndicalists, seeking to &quot;replace the privilege and authority of the State&quot; with the &quot;free and spontaneous organisation of labour.&quot;&lt;ref&gt;Resolutions from the St. Imier Congress, in ''Anarchism: A Documentary History of Libertarian Ideas'', Vol. 1, p. 100 [http://www.blackrosebooks.net/anarism1.htm]&lt;/ref&gt; In 1886, the [[Federation of Organized Trades and Labor Unions]] (FOTLU) of the United States and Canada unanimously set 1 May 1886, as the date by which the [[Eight-hour day|eight-hour work day]] would become standard.&lt;ref name=foner/&gt;
[[File:ChicagoAnarchists.jpg|left|thumb|A sympathetic engraving by [[Walter Crane]] of the executed &quot;Anarchists of Chicago&quot; after the [[Haymarket affair]]. The Haymarket affair is generally considered the most significant event for the origin of international May Day observances]]
In response, unions across the United States prepared a [[general strike]] in support of the event.&lt;ref name=foner/&gt; On 3 May, in Chicago, a fight broke out when [[strikebreaker]]s attempted to cross the picket line, and two workers died when police opened fire upon the crowd.&lt;ref&gt;{{cite book |last=Avrich |first=Paul |title=The Haymarket Tragedy |year=1984 |publisher=Princeton University Press |location=Princeton |isbn=0-691-00600-8 |page=190}}&lt;/ref&gt; The next day, 4 May, anarchists staged a rally at Chicago's Haymarket Square.&lt;ref&gt;{{cite book |last=Avrich |title=The Haymarket Tragedy |page=193 |isbn=0-691-04711-1 }}&lt;/ref&gt; A bomb was thrown by an unknown party near the conclusion of the rally, killing an officer.&lt;ref&gt;{{cite web |url=http://www.odmp.org/officer/3972-patrolman-mathias-j.-degan |title=Patrolman Mathias J. Degan |accessdate=19 January 2008 |publisher=The Officer Down Memorial Page, Inc | archiveurl= http://web.archive.org/web/20080118084649/http://www.odmp.org/officer/3972-patrolman-mathias-j.-degan| archivedate= 18 January 2008&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; In the ensuing panic, police opened fire on the crowd and each other.&lt;ref&gt;''[[Chicago Tribune]]'', 27 June 1886, quoted in {{cite book |last=Avrich |title=The Haymarket Tragedy |page=209 |isbn=0-691-04711-1 }}&lt;/ref&gt; Seven police officers and at least four workers were killed.&lt;ref name='the bomb'&gt;{{cite web |url=http://www.chicagohistory.org/dramas/act2/act2.htm |title=Act II: Let Your Tragedy Be Enacted Here |accessdate=19 January 2008 |year=2000 |work=The Dramas of Haymarket |publisher=Chicago Historical Society | archiveurl= http://web.archive.org/web/20080115030929/http://www.chicagohistory.org/dramas/act2/act2.htm| archivedate= 15 January 2008&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; Eight anarchists directly and indirectly related to the organisers of the rally were arrested and charged with the murder of the deceased officer. The men became international political celebrities among the labour movement. Four of the men were executed and a fifth committed suicide prior to his own execution. The incident became known as the [[Haymarket affair]], and was a setback for the labour movement and the struggle for the eight-hour day. In 1890 a second attempt, this time international in scope, to organise for the eight-hour day was made. The event also had the secondary purpose of memorializing workers killed as a result of the Haymarket affair.&lt;ref&gt;{{cite book |last=Foner |title=May Day |page=42 |isbn=0-7178-0624-3 }}&lt;/ref&gt; Although it had initially been conceived as a once-off event, by the following year the celebration of [[International Workers' Day]] on May Day had become firmly established as an international worker's holiday.&lt;ref name=foner&gt;{{cite book | last = Foner | first = Philip Sheldon | title = May day: a short history of the international workers' holiday, 1886–1986 | publisher = International Publishers | location = New York | year = 1986 | isbn = 0-7178-0624-3 |page=56}}&lt;/ref&gt;

In 1907, the [[International Anarchist Congress of Amsterdam]] gathered delegates from 14 different countries, among which important figures of the anarchist movement, including [[Errico Malatesta]], [[Pierre Monatte]], [[Luigi Fabbri]], [[Benoît Broutchoux]], [[Emma Goldman]], [[Rudolf Rocker]], and [[Christiaan Cornelissen]]. Various themes were treated during the Congress, in particular concerning the organisation of the anarchist movement, [[popular education]] issues, the [[general strike]] or [[antimilitarism]]. A central debate concerned the relation between anarchism and [[syndicalism]] (or [[trade union]]ism). Malatesta and Monatte were in particular disagreement themselves on this issue, as the latter thought that syndicalism was revolutionary and would create the conditions of a [[social revolution]], while Malatesta did not consider syndicalism by itself sufficient.&lt;ref&gt;[http://www.fondation-besnard.org/article.php3?id_article=225 Extract of Malatesta's declaration] {{fr icon}}&lt;/ref&gt; He thought that the trade-union movement was [[reformism|reformist]] and even [[Conservatism|conservative]], citing as essentially bourgeois and anti-worker the phenomenon of professional union officials. Malatesta warned that the syndicalists aims were in perpetuating syndicalism itself, whereas anarchists must always have anarchy as their end and consequently refrain from committing to any particular method of achieving it.&lt;ref&gt;{{cite book | last = Skirda | first = Alexandre | title = [[Facing the Enemy|Facing the enemy: a history of anarchist organization from Proudhon to May 1968]] | publisher = [[A. K. Press]] | year = 2002 | isbn = 1-902593-19-7 |page=89 }}&lt;/ref&gt;

The [[Federación Anarquista Ibérica|Spanish Workers Federation]] in 1881 was the first major anarcho-syndicalist movement; anarchist trade union federations were of special importance in Spain. The most successful was the [[Confederación Nacional del Trabajo]] (National Confederation of Labour: CNT), founded in 1910. Before the 1940s, the CNT was the major force in Spanish working class politics, attracting 1.58 million members at one point and playing a major role in the [[Spanish Civil War]].&lt;ref&gt;{{Cite book
 |last=Beevor
 |first=Antony
 |authorlink=Antony Beevor
 |year=2006
 |title=The Battle for Spain: The Spanish Civil War 1936–1939
 |publisher=Weidenfeld &amp; Nicolson
 |location=London
 |isbn=978-0-297-84832-5
 |page=24
 }}&lt;/ref&gt; The CNT was affiliated with the [[International Workers Association]], a federation of anarcho-syndicalist trade unions founded in 1922, with delegates representing two million workers from 15 countries in Europe and Latin America. In Latin America in particular &quot;The anarchists quickly became active in organizing craft and industrial workers throughout South and Central America, and until the early 1920s most of the trade unions in [[Anarchism in Mexico|Mexico]], [[Anarchism in Brazil|Brazil]], Peru, Chile, and Argentina were anarcho-syndicalist in general outlook; the prestige of the Spanish C.N.T. as a revolutionary organization was
undoubtedly to a great extent responsible for this situation. The largest and most militant of these organizations was the [[Federación Obrera Regional Argentina]]&amp;nbsp;... it grew quickly to a membership of nearly a quarter of a million, which dwarfed the rival socialdemocratic unions.&quot;&lt;ref name=&quot;Anarchism 1962&quot;/&gt;

===Propaganda of the deed and illegalism===
{{Main|Propaganda of the deed|Illegalism|Expropriative anarchism}}
[[File:Lugi Gallean2.jpg|right|thumb|[[Italian-American]] anarchist [[Luigi Galleani]]. His followers, known as Galleanists, carried out a series of bombings and assassination attempts from 1914 to 1932 in what they saw as attacks on 'tyrants' and 'enemies of the people']]
Some anarchists, such as [[Johann Most]], advocated publicizing violent acts of retaliation against counter-revolutionaries because &quot;we preach not only action in and for itself, but also action as propaganda.&quot;&lt;ref&gt;{{cite web |url=http://dwardmac.pitzer.edu/Anarchist_Archives/bright/most/actionprop.html |title=&quot;Action as Propaganda&quot; by Johann Most, 25 July 1885 |publisher=Dwardmac.pitzer.edu |date=21 April 2003 |accessdate=20 September 2010}}&lt;/ref&gt; By the 1880s, people inside and outside the anarchist movement began to use the slogan, &quot;propaganda of the deed&quot; to refer to individual bombings, [[regicide]]s, and [[tyrannicide]]s. From 1905 onwards, the Russian counterparts of these anti-syndicalist anarchist-communists become partisans of economic terrorism and illegal '[[Confiscation|expropriations]]'.&quot;&lt;ref&gt;{{Wayback |date=20090312022528 |url=http://www.zabalaza.net/theory/txt_anok_comm_ap.htm |title=&quot;Anarchist-Communism&quot; by Alain Pengam }}&lt;/ref&gt; [[Illegalism]] as a practice emerged and within it &quot;The acts of the anarchist bombers and assassins (&quot;[[propaganda by the deed]]&quot;) and the anarchist burglars (&quot;[[individual reappropriation]]&quot;) expressed their desperation and their personal, violent rejection of an intolerable society. Moreover, they were clearly meant to be ''exemplary'' invitations to revolt.&quot;.&lt;ref name=&quot;illegalism&quot;&gt;[http://recollectionbooks.com/siml/library/illegalistsDougImrie.htm The &quot;illegalists&quot; by Doug Imrie. From &quot;Anarchy: a Journal Of Desire Armed&quot;, Fall–Winter, 1994–95]&lt;/ref&gt; France's [[Bonnot Gang]] was the most famous group to embrace illegalism.

However, as soon as 1887, important figures in the anarchist movement distanced themselves from such individual acts. [[Peter Kropotkin]] thus wrote that year in ''Le Révolté'' that &quot;a structure based on centuries of history cannot be destroyed with a few kilos of dynamite&quot;.&lt;ref&gt;quoted in Billington, James H. 1998. ''Fire in the minds of men: origins of the revolutionary faith'' New Jersey: Transaction Books, p 417.&lt;/ref&gt; A variety of anarchists advocated the abandonment of these sorts of tactics in favour of collective revolutionary action, for example through the [[trade union]] movement. The [[anarcho-syndicalism|anarcho-syndicalist]], [[Fernand Pelloutier]], argued in 1895 for renewed anarchist involvement in the labour movement on the basis that anarchism could do very well without &quot;the individual dynamiter.&quot;&lt;ref&gt;{{cite web |url=http://blackrosebooks.net/anarism1.htm |title=Table Of Contents |publisher=Blackrosebooks.net |date= |accessdate=20 September 2010}}&lt;/ref&gt;

[[Political repression|State repression]] (including the infamous 1894 French ''[[lois scélérates]]'') of the anarchist and [[labour movement]]s following the few successful bombings and assassinations may have contributed to the abandonment of these kinds of tactics, although reciprocally state repression, in the first place, may have played a role in these isolated acts. The dismemberment of the French [[socialist movement]], into many groups and, following the suppression of the 1871 [[Paris Commune]], the execution and exile of many ''[[communards]]'' to [[penal colonies]], favoured individualist political expression and acts.&lt;ref&gt;Historian [[Benedict Anderson]] thus writes: &lt;blockquote&gt; &quot;In March 1871 the Commune took power in the abandoned city and held it for two months. Then [[Adolphe Thiers|Versailles]] seized the moment to attack and, in one horrifying week, executed roughly 20,000 Communards or suspected sympathizers, a number higher than those killed in the recent war or during [[Robespierre]]'s '[[Reign of Terror|Terror]]' of 1793–1794. More than 7,500 were jailed or deported to places like New Caledonia. Thousands of others fled to Belgium, England, Italy, Spain and the United States. In 1872, stringent laws were passed that ruled out all possibilities of organising on the left. Not till 1880 was there a general amnesty for exiled and imprisoned Communards. Meanwhile, the Third Republic found itself strong enough to renew and reinforce [[Napoleon III of France|Louis Napoleon]]'s imperialist expansion – in Indochina, Africa, and Oceania. Many of France's leading intellectuals and artists had participated in the Commune ([[Gustave Courbet|Courbet]] was its quasi-minister of culture, [[Arthur Rimbaud|Rimbaud]] and [[Pissarro]] were active propagandists) or were sympathetic to it. The ferocious repression of 1871 and thereafter, was probably the key factor in alienating these milieux from the Third Republic and stirring their sympathy for its victims at home and abroad.&quot; (in {{cite news |author=Benedict Anderson |title=In the World-Shadow of Bismarck and Nobel |publisher=[[New Left Review]]|date=July–August 2004|url=http://newleftreview.org/?view=2519}}) &lt;/blockquote&gt; According to some analysts, in [[History of Germany since 1945|post-war Germany]], the prohibition of the [[Communist Party of Germany|Communist Party]] (KDP) and thus of institutional far-left political organisation may also, in the same manner, have played a role in the creation of the [[Red Army Faction]].&lt;/ref&gt;

Numerous heads of state were assassinated between 1881 and 1914 by members of the anarchist movement. For example, U.S. [[William McKinley|President McKinley]]'s assassin [[Leon Czolgosz]] claimed to have been influenced by anarchist and [[feminist]] [[Emma Goldman]].  Bombings were associated in the media with anarchists because [[international terrorism]] arose during this time period with the widespread distribution of dynamite. This image remains to this day.

Propaganda of the deed was abandoned by the vast majority of the anarchist movement after World War I (1914–1918) and the [[1917 October Revolution]].

===Russian Revolution and other uprisings of the 1910s===
{{Main|Anarchism in Russia|Russian Revolution (1917)|Revolutions of 1917–23}}
[[File:Makhno group.jpg|thumb|left|[[Nestor Makhno]] with members of the anarchist [[Revolutionary Insurrectionary Army of Ukraine]]]]
Anarchists participated alongside the [[Bolshevik]]s in both [[February Revolution|February]] and [[October Revolution|October revolutions]], and were initially enthusiastic about the Bolshevik revolution.&lt;ref&gt;{{cite book | last = Dirlik | first = Arif | title = Anarchism in the Chinese Revolution | publisher = University of California Press | location = Berkeley | year = 1991 | isbn = 0-520-07297-9 }}&lt;/ref&gt; However, following a political falling out with the Bolsheviks by the anarchists and other left-wing opposition, the conflict culminated in the 1921 [[Kronstadt rebellion]], which the new government repressed. Anarchists in central Russia were either imprisoned, driven underground or joined the victorious Bolsheviks; the anarchists from Petrograd and Moscow fled to the [[Ukraine]].&lt;ref&gt;{{cite book | last = Avrich | first = Paul | title = The Russian Anarchists | publisher = AK Press | location = Stirling | year = 2006 | isbn = 1-904859-48-8 |page=204}}&lt;/ref&gt; There, in the [[Free Territory (Ukraine)|Free Territory]], they fought in the [[Russian Civil War|civil war]] against the [[White movement|Whites]] (a grouping of monarchists and other opponents of the October Revolution) and then the Bolsheviks as part of the [[Revolutionary Insurrectionary Army of Ukraine]] led by [[Nestor Makhno]], who established an anarchist society in the region for a number of months.

Expelled American anarchists [[Emma Goldman]] and [[Alexander Berkman]] were amongst those agitating in response to Bolshevik policy and the suppression of the [[Kronstadt rebellion|Kronstadt uprising]], before they left Russia. Both wrote accounts of their experiences in Russia, criticising the amount of control the Bolsheviks exercised. For them, [[Mikhail Bakunin|Bakunin]]'s predictions about the consequences of Marxist rule that the rulers of the new &quot;socialist&quot; Marxist state would become a new elite had proved all too true.&lt;ref name=&quot;bakuninmarx&quot;&gt;&quot;[http://www.marxists.org/reference/archive/bakunin/works/1872/karl-marx.htm On the International Workingmen's Association and Karl Marx]&quot; in ''Bakunin on Anarchy'', translated and edited by Sam Dolgoff, 1971.&lt;/ref&gt;&lt;ref&gt;{{cite book | last = Goldman | first = Emma | title = [[My Disillusionment in Russia]] |chapter=Preface |page=xx | publisher = Dover Publications | location = New York | year = 2003 | isbn = 0-486-43270-X |quote= My critic further charged me with believing that &quot;had the Russians made the Revolution à la Bakunin instead of à la Marx&quot; the result would have been different and more satisfactory. I plead guilty to the charge. In truth, I not only believe so; I am certain of it.}}&lt;/ref&gt;

The victory of the Bolsheviks in the October Revolution and the resulting Russian Civil War did serious damage to anarchist movements internationally. Many workers and activists saw Bolshevik success as setting an example; [[Communist party|Communist parties]] grew at the expense of anarchism and other socialist movements. In France and the United States, for example, members of the major syndicalist movements of the [[Confédération générale du travail|CGT]] and [[Industrial Workers of the World|IWW]] left the organisations and joined the [[Comintern|Communist International]].&lt;ref&gt;{{cite book | editor1-last = Drachkovitch | editor1-first = Milorad M. |first=Max |last=Nomad |contribution=The Anarchist Tradition |title = Revolutionary Internationals 1864 1943 | publisher = Stanford University Press |page=88 | year = 1966 | isbn = 0-8047-0293-4 }}&lt;/ref&gt;

The [[Revolutions of 1917–23|revolutionary wave of 1917–23]] saw the active participation of anarchists in varying degrees of protagonism. In the German uprising known as the [[German Revolution of 1918–1919]] which established the [[Bavarian Soviet Republic]] the anarchists [[Gustav Landauer]], [[Silvio Gesell]] and [[Erich Mühsam]] had important leadership positions within the revolutionary [[Council communism|councilist]] structures.&lt;ref&gt;&quot;The Munich Soviet (or &quot;Council Republic&quot;) of 1919 exhibited certain features of the TAZ, even though — like most revolutions — its stated goals were not exactly &quot;temporary.&quot; Gustav Landauer's participation as Minister of Culture along with Silvio Gesell as Minister of Economics and other anti-authoritarian and extreme libertarian socialists such as the poet/playwrights Erich Mühsam and Ernst Toller, and Ret Marut (the novelist B. Traven), gave the Soviet a distinct anarchist flavor.&quot; [[Hakim Bey]].  [http://www.theanarchistlibrary.org/HTML/Hakim_Bey__T.A.Z.__The_Temporary_Autonomous_Zone__Ontological_Anarchy__Poetic_Terrorism.html &quot;T.A.Z.: The Temporary Autonomous Zone, Ontological Anarchy, Poetic Terrorism&quot;]&lt;/ref&gt;&lt;ref name=&quot;br.de&quot;&gt;{{cite web |url= http://www.br.de/themen/bayern/inhalt/geschichte/bayern-revolution-1919-erste-raeterepublik100.html |title=Die bayerische Revolution 1918/19: Die erste Räterepublik: Literaten an der Macht |trans_title=The Bavarian Revolution 1918/19: The first Soviet Republic: Literati in Power |language=German |work=[http://www.br.de/themen/bayern/inhalt/geschichte/bayern-revolution-raeterepublik100.html Die bayerische Revolution 1918/19] |location=Munich, Bavaria, Germany |publisher=[[Bayerischer Rundfunk]] |accessdate=1 September 2012}}&lt;/ref&gt; In the Italian events known as the ''[[biennio rosso]]''&lt;ref name=&quot;Dallacasa&quot;&gt;Brunella Dalla Casa, ''Composizione di classe, rivendicazioni e professionalità nelle lotte del &quot;biennio rosso&quot; a Bologna'', in: AA. VV, ''Bologna 1920; le origini del fascismo'', a cura di Luciano Casali, Cappelli, Bologna 1982, pag. 179.&lt;/ref&gt; the anarcho-syndicalist trade union [[Unione Sindacale Italiana]] &quot;grew to 800,000 members and the influence of the Italian Anarchist Union (20,000 members plus ''[[Umanita Nova]]'', its daily paper) grew accordingly&amp;nbsp;... Anarchists were the first to suggest occupying workplaces.&lt;ref&gt;[http://libcom.org/history/articles/italy-factory-occupations-1920 &quot;1918–1921: The Italian factory occupations – Biennio Rosso&quot;] on [[libcom.org]]&lt;/ref&gt; In the [[Mexican Revolution]] the [[Mexican Liberal Party]] was established and during the early 1910s it lead a series of military offensives leading to the conquest and occupation of certain towns and districts in [[Baja California]] with the leadership of anarcho-communist [[Ricardo Flores Magón]].&lt;ref&gt;[http://www.sandiegohistory.org/journal/99winter/magonista.htm &quot;The Magonista Revolt in Baja California Capitalist Conspiracy or Rebelion de los Pobres?&quot;  by Lawrence D. Taylor]&lt;/ref&gt;

In Paris, the [[Dielo Truda]] group of Russian anarchist exiles, which included [[Nestor Makhno]], concluded that anarchists needed to develop new forms of organisation in response to the structures of Bolshevism. Their 1926 manifesto, called the ''[[Platformism|Organisational Platform of the General Union of Anarchists (Draft)]]'',&lt;ref name=Platformtext&gt;{{cite book |last=Dielo Trouda |authorlink=Dielo Truda |title=Organizational Platform of the General Union of Anarchists (Draft) |origyear=1926 |url=http://www.anarkismo.net/newswire.php?story_id=1000 |accessdate=24 October 2006 |year=2006 |publisher=FdCA |location=Italy| archiveurl= http://web.archive.org/web/20070311013533/http://www.anarkismo.net/newswire.php?story_id=1000| archivedate= 11 March 2007&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; was supported. [[Platformist]] groups active today include the [[Workers Solidarity Movement]] in Ireland and the [[NEFAC|North Eastern Federation of Anarchist Communists]] of North America. [[Synthesis anarchism]] emerged as an organisational alternative to platformism that tries to join anarchists of different tendencies under the principles of [[anarchism without adjectives]].&lt;ref name=&quot;infoshop.org&quot;&gt;{{cite web |author=Starhawk |url=http://www.infoshop.org/page/AnarchistFAQSectionJ3 |title=&quot;J.3.2 What are &quot;synthesis&quot; federations?&quot;|work=[[An Anarchist FAQ]]|publisher=Infoshop.org |date= |accessdate=20 September 2010| archiveurl= http://web.archive.org/web/20101007160139/http://www.infoshop.org/page/AnarchistFAQSectionJ3| archivedate= 7 October 2010&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; In the 1920s this form found as its main proponents [[Volin]] and [[Sebastien Faure]].&lt;ref name=&quot;infoshop.org&quot;/&gt; It is the main principle behind the anarchist federations grouped around the contemporary global [[International of Anarchist Federations]].&lt;ref name=&quot;infoshop.org&quot;/&gt;

===Conflicts with European fascist regimes===
{{Main|Anti-fascism}}{{See also|Anarchism in France|Anarchism in Italy|Anarchism in Spain}}

[[File:Members of the Maquis in La Tresorerie.jpg|thumb|right|Anti-fascist [[Maquis (World War II)|Maquis]], who resisted [[Nazism|Nazi]] and [[Francisco Franco|Francoist]] rule in Europe.]]
In the 1920s and 1930s, the rise of fascism in Europe transformed anarchism's conflict with the state. Italy saw the first struggles between anarchists and fascists. [[Anarchism in Italy|Italian anarchists]] played a key role in the [[Anti-fascism|anti-fascist]] organisation ''[[Arditi del Popolo]]'', which was strongest in areas with anarchist traditions, and achieved some success in their activism, such as repelling [[Blackshirts]] in the anarchist stronghold of [[Parma]] in August 1922.&lt;ref&gt;Holbrow, Marnie, [http://www.socialistreview.org.uk/article.php?articlenumber=8205 &quot;Daring but Divided&quot;] (''Socialist Review'' November 2002).&lt;/ref&gt; The veteran Italian anarchist, [[Luigi Fabbri]], was one of the first critical theorists of fascism, describing it as &quot;the preventive counter-revolution.&quot; &lt;ref name=autogenerated1 /&gt; In France, where the [[far right leagues]] came close to insurrection in the [[6 February 1934 crisis|February 1934 riots]], anarchists divided over a [[united front]] policy.&lt;ref&gt;Berry, David. &quot;Fascism or Revolution.&quot; ''Le Libertaire''. August 1936.&lt;/ref&gt;

Anarchists in [[Anarchism in France|France]]&lt;ref&gt;[http://flag.blackened.net/revolt/anarchism/texts/war/anarFranceWW2.html &quot;Anarchist Activity in France during World War Two&quot;]&lt;/ref&gt; and [[Anarchism in Italy|Italy]]&lt;ref&gt;[http://libcom.org/history/articles/italian-resistance-anarchist-partisans-1943 &quot;1943–1945: Anarchist partisans in the Italian Resistance&quot;] on [[libcom.org]]&lt;/ref&gt; were active in the [[Resistance during World War II]]. In Germany the anarchist [[Erich Mühsam]] was arrested on charges unknown in the early morning hours of 28 February 1933, within a few hours after the [[Reichstag fire]] in Berlin.  [[Joseph Goebbels]], the Nazi [[Propagandaministerium|propaganda minister]], labelled him as one of &quot;those Jewish subversives.&quot; Over the next seventeen months, he would be imprisoned in the concentration camps at [[Sonnenburg]], Brandenburg and finally, [[Oranienburg]]. On 2 February 1934, Mühsam was transferred to the [[Nazi concentration camps|concentration camp]] at [[Oranienburg concentration camp|Oranienburg]] when finally on the night of 9 July 1934, Mühsam was tortured and murdered by the guards, his battered corpse found hanging in a latrine the next morning.&lt;ref name=&quot; Shepherd&quot;&gt;{{cite book |last=Mühsam|first=Erich|editor=David A. Shepherd|title=Thunderation!/Alle Wetter!: Folk Play With Song and Dance/Volksstuck Mit Gesang Und Tanz|url=http://books.google.com/?id=jspUxzlyZIQC&amp;pg=PA18&amp;dq=%22Erich+M%C3%BChsam%22+Oranienburg#v=onepage&amp;q&amp;f=false|year=2001|publisher=[[Bucknell University Press]]|isbn=978-0-8387-5416-0|page=18}}&lt;/ref&gt;

=== Spanish Revolution ===
{{Main|Spanish Revolution}}
[[File:Buenaventura durruti.jpg|thumbnail|left|200px|[[Buenaventura Durruti]], central figure of [[Anarchism in Spain|Spanish anarchism]] during the period leading up to and including the [[Spanish Civil War]].]]
In Spain, the national anarcho-syndicalist trade union [[Confederación Nacional del Trabajo]] initially refused to join a popular front electoral alliance, and abstention by CNT supporters led to a right wing election victory. But in 1936, the CNT changed its policy and anarchist votes helped bring the popular front back to power. Months later, the former ruling class responded with an attempted coup causing the [[Spanish Civil War]] (1936–1939).&lt;ref&gt;{{Cite book
 |last=Beevor
 |first=Antony
 |authorlink=Antony Beevor
 |year=2006
 |page=46
 |title=The Battle for Spain: The Spanish Civil War 1936–1939
 |publisher=Weidenfeld &amp; Nicolson
 |location=London
 |isbn=978-0-297-84832-5
 }}&lt;/ref&gt; In response to the army rebellion, an [[Anarchism in Spain|anarchist-inspired]] movement of peasants and workers, supported by armed militias, took control of [[Barcelona]] and of large areas of rural Spain where they [[Collective farming|collectivised]] the land.&lt;ref name='Bolloten 1984, p.54'&gt;{{cite book | last = Bolloten | first = Burnett | authorlink = Burnett Bolloten | coauthors = | title = The Spanish Civil War: Revolution and Counterrevolution | publisher = University of North Carolina Press | date = 15 November 1984 | location = | page =1107 | url = | doi = | id = | isbn = 978-0-8078-1906-7 }}&lt;/ref&gt;&lt;ref&gt;{{cite book | last = Bolloten | first = Burnett | authorlink = Burnett Bolloten | coauthors = | title = The Spanish Civil War: Revolution and Counterrevolution | publisher = University of North Carolina Press | date = 15 November 1984 | location = | page =1107 | url = | doi =  | isbn = 978-0-8078-1906-7 }}&lt;/ref&gt; But even before the fascist victory in 1939, the anarchists were losing ground in a bitter struggle with the [[Stalinism|Stalinists]], who controlled much of the distribution of military aid to the Republican cause from the [[Soviet Union]]. The events known as the Spanish Revolution was a workers' [[social revolution]] that began during the outbreak of the [[Spanish Civil War]] in 1936 and resulted in the widespread implementation of [[Anarchism in Spain|anarchist]] and more broadly [[libertarian socialist]] organisational principles throughout various portions of the country for two to three years, primarily [[Catalonia]], Aragon, [[Andalusia]], and parts of [[Levante, Spain|the Levante]]. Much of [[Spain's economy]] was put under worker control; in anarchist strongholds like [[Catalonia]], the figure was as high as 75%, but lower in areas with heavy [[Communist Party of Spain (main)|Communist Party of Spain]] influence, as the [[Soviet Union|Soviet]]-allied party actively resisted attempts at [[collectivization]] enactment. Factories were run through worker committees, [[agriculture|agrarian]] areas became collectivised and run as [[Libertarian socialism|libertarian]] [[commune (intentional community)|communes]]. Anarchist historian [[Sam Dolgoff]] estimated that about eight million people participated directly or at least indirectly in the Spanish Revolution,&lt;ref name=Dolgoff1974&gt;{{Cite book
 | title = The Anarchist Collectives: Workers' Self-Management in the Spanish Revolution. In The Spanish Revolution, the Luger P08 was used as a weapon of choice by the Spanish
 | year = 1974
 | author = Dolgoff, S.
 | isbn = 978-0-914156-03-1
 | ref = harv
 | postscript = &lt;!-- Bot inserted parameter. Either remove it; or change its value to &quot;.&quot; for the cite to end in a &quot;.&quot;, as necessary. --&gt;{{inconsistent citations}}
}}&lt;/ref&gt; which he claimed &quot;came closer to realizing the ideal of the free stateless society on a vast scale than any other revolution in history.&quot;&lt;ref&gt;Dolgoff (1974), p. 5&lt;/ref&gt;

[[Stalinist purges|Stalinist]]-led troops suppressed the collectives and persecuted both [[Workers' Party of Marxist Unification|dissident Marxists]] and anarchists.&lt;ref&gt;{{cite book |isbn=1-57181-542-2 |page=29 |title=Sartre Against Stalinism |first=Ian |last=Birchall |year=2004 |publisher=Berghahn Books}}&lt;/ref&gt; The prominent Italian anarchist [[Camillo Berneri]], who volunteered to fight against Franco was killed instead in Spain by gunmen associated with the [[Spanish Communist Party]].&lt;ref&gt;&quot;When clashes with the Communist Party broke out, his house, where he lived with other anarchists, was attacked on 4 May 1937. They were all labelled &quot;counter-revolutionaries&quot;, disarmed, deprived of their papers and forbidden to go out into the street. There was still shooting in the streets when, on 5 May 1937, news arrived from Italy of Antonio Gramsci's death in a fascist prison...Leaving Radio Barcelona, Berneri set off for the Plaça de la Generalitat, where some Stalinists shouted after him. Before he could turn and look, they opened fire with machine guns, and left his dead body there on the street.&quot;[http://libcom.org/history/berneri-luigi-camillo-1897-1937 &quot;Berneri, Luigi Camillo, 1897–1937&quot; at libcom.com]&lt;/ref&gt;&lt;ref&gt;[[Paul Avrich]]. ''Anarchist Voices: An Oral History of Anarchism in America''. AK Press. 2005. p. 516&lt;/ref&gt;&lt;ref&gt;&quot;Spain: Return to &quot;normalization&quot; in Barcelona. The Republican government had sent troops to take over the telephone exchange on 3 May, pitting the anarchists &amp; Poumists on one side against the Republican government &amp; the Stalinist Communist Party on the other, in pitched street battles, resulting in 500 anarchists killed. Squads of Communist Party members took to the streets on 6 May to assassinate leading anarchists. Today, among those found murdered, was the Italian anarchist Camillo Berneri&quot;[http://recollectionbooks.com/bleed/Encyclopedia/BerneriCamillo.htm &quot;Camillo Berneri&quot; at The Anarchist Encyclopedia: A Gallery of Saints &amp; Sinners ...]&lt;/ref&gt;

=== Post-war years ===
[[File:Paul Goodman.jpg|thumb|[[Paul Goodman (writer)|Paul Goodman]], influential American anarchist author of ''[[Growing Up Absurd|Growing Up Absurd: Problems of Youth in the Organized Society]]'' among other works critical of contemporary societies.]] Anarchism sought to reorganise itself after the war and in this context the organisational debate between [[synthesis anarchism]] and [[platformism]] took importance once again especially in the [[Anarchism in Italy#Postwar years and today|anarchist movements of Italy]] and [[Anarchism in France#The Fourth Republic (1945–1958)|France]].  The [[Mexican Anarchist Federation]] was established in 1945 after the Anarchist Federation of the Centre united with the Anarchist Federation of the Federal District.&lt;ref&gt;[http://www.portaloaca.com/historia/historia-libertaria/1735-regeneracion-y-la-federacion-anarquista-mexicana-1952-1960-tesis.html &quot;Regeneración y la Federación Anarquista Mexicana (1952–1960)&quot; by Ulises Ortega Aguilar]&lt;/ref&gt; In the early 1940s, the Antifascist International Solidarity and the Federation of Anarchist Groups of Cuba merged into the large national organisation Asociación Libertaria de Cuba (Cuban Libertarian Association).&lt;ref&gt;&quot;The surviving sectors of the revolutionary anarchist movement of the 1920–1940 period, now working in the SIA and the FGAC, reinforced by those Cuban militants and Spanish anarchists fleeing now-fascist Spain, agreed at the beginning of the decade to hold an assembly with the purpose of regrouping the libertarian forces inside a single organization. The guarantees of the 1940 Constitution permitted them to legally create an organization of this type, and it was thus that they agreed to dissolve the two principal Cuban anarchist organizations, the SIA and FGAC, and create a new, unified group, the Asociación Libertaria de Cuba (ALC), a sizable organization with a membership in the thousands.&quot;[http://www.theanarchistlibrary.org/HTML/Frank_Fernandez__Cuban_Anarchism__The_History_of_A_Movement.html#toc8 ''Cuban Anarchism: The History of A Movement'' by Frank Fernandez]&lt;/ref&gt; From 1944 to 1947, the Bulgarian Anarchist Communist Federation reemerged as part of a factory and workplace committee movement, but was repressed by the new Communist regime.&lt;ref name=&quot;robertgraham.wordpress.com&quot;&gt;[http://robertgraham.wordpress.com/anarchism-a-documentary-history-of-libertarian-ideas-volume-two-the-emergence-of-the-new-anarchism-1939-1977/ Anarchism: A Documentary History of Libertarian Ideas, Volume Two: The Emergence of the New Anarchism (1939–1977) « Robert Graham's Anarchism Weblog&lt;!-- Bot generated title --&gt;]&lt;/ref&gt; In 1945 in [[Anarchism in France|France]] the [[Fédération Anarchiste]] was established and the also [[Synthesist anarchism|synthesist]] [[Federazione Anarchica Italiana]] was founded in [[Anarchism in Italy|Italy]]. Korean anarchists formed the League of Free Social Constructors in September 1945&lt;ref name=&quot;robertgraham.wordpress.com&quot;/&gt; and in 1946 the [[Japanese Anarchist Federation]] was founded.&lt;ref&gt;[http://flag.blackened.net/af/ace/japchap3.html THE ANARCHIST MOVEMENT IN JAPAN Anarchist Communist Editions § ACE Pamphlet No. 8]&lt;/ref&gt; An International Anarchist Congress with delegates from across Europe was held in Paris in May 1948.&lt;ref name=&quot;robertgraham.wordpress.com&quot;/&gt; After World War II, an appeal in the ''[[Fraye Arbeter Shtime]]'' detailing the plight of [[Anarchism in Germany|German anarchists]] and called for Americans to support them. By February 1946, the sending of aid parcels to anarchists in Germany was a large-scale operation. The Federation of Libertarian Socialists was founded in Germany in 1947 and [[Rudolf Rocker]] wrote for its organ, ''Die Freie Gesellschaft'', which survived until 1953.&lt;ref&gt;* {{cite journal
  | doi = 10.1177/002200947300800304
  | last = Vallance
  | first = Margaret
  |date=July 1973
  | title = Rudolf Rocker&amp;nbsp;– a biographical sketch
  | journal = Journal of Contemporary History
  | volume = 8
  | issue = 3
  | pages = 94–95
  | publisher = Sage Publications
  | location = London/Beverly Hills
  | issn = 0022-0094
  | oclc = 49976309
  | ref = harv
  }}&lt;/ref&gt; In 1956 the [[Uruguayan Anarchist Federation]] was founded.&lt;ref&gt;[http://www.anarkismo.net/newswire.php?story_id=3701 &quot;50 años de la Federación Anarquista Uruguaya&quot;]&lt;/ref&gt; In 1955 the Anarcho-Communist Federation of Argentina renamed itself as the [[Argentine Libertarian Federation]]. The [[Syndicalist Workers' Federation]] was a syndicalist group in active in post-war Britain,&lt;ref name=&quot;Political Encyclopedia&quot;&gt;{{cite book|title=Encyclopedia of British and Irish Political Organizations'|year=2000|publisher=Pinter Publishers|location=United Kingdom|isbn=978-1855672642|url=http://www.amazon.com/Encyclopedia-British-Irish-Political-Organizations/dp/1855672642}}&lt;/ref&gt; and one of [[Solidarity Federation]]'s earliest predecessors. It was formed in 1950 by members of the dissolved Anarchist Federation of Britain.&lt;ref name=&quot;Political Encyclopedia&quot; /&gt; Unlike the AFB, which was influenced by anarcho-syndicalist ideas but ultimately not syndicalist itself, the SWF decided to pursue a more definitely [[syndicalism|syndicalist]], worker-centred strategy from the outset.&lt;ref name=&quot;Political Encyclopedia&quot; /&gt;

Anarchism continued to influence important literary and intellectual personalities of the time, such as [[Albert Camus]], [[Herbert Read]], [[Paul Goodman (writer)|Paul Goodman]], [[Dwight Macdonald]], [[Allen Ginsberg]], [[George Woodcock]], [[Leopold Kohr]],&lt;ref name=&quot;NYT-Obit&quot;&gt;[http://www.nytimes.com/1994/02/28/obituaries/dr-leopold-kohr-84-backed-smaller-states.html Dr. Leopold Kohr, 84; Backed Smaller States], [[New York Times]] obituary, 28 February 1994.&lt;/ref&gt;&lt;ref name=&quot;Sale-foreward&quot;&gt;[http://www.ditext.com/kohr/foreword.html Kirkpatrick Sale, foreword to E.P. Dutton 1978 edition of Leopold Kohr's ''Breakdown of Nations.'']&lt;/ref&gt; [[Julian Beck]], [[John Cage]]&lt;ref name=&quot;cage&quot;&gt;Cage self-identified as an anarchist in a 1985 interview: &quot;I'm an anarchist. I don't know whether the adjective is pure and simple, or philosophical, or what, but I don't like government! And I don't like institutions! And I don't have any confidence in even good institutions.&quot; [http://www.ubu.com/papers/cage_montague_interview.html John Cage at Seventy: An Interview] by Stephen Montague. ''American Music'', Summer 1985. Ubu.com. Accessed 24 May 2007.&lt;/ref&gt; and the French [[Surrealism|Surrealist]] group led by [[André Breton]], which now openly embraced anarchism and collaborated in the [[Fédération Anarchiste]].&lt;ref&gt;&quot;It was in the black mirror of anarchism that surrealism first recognised itself,&quot; wrote André Breton in &quot;The Black Mirror of Anarchism,&quot; Selection 23 in Robert Graham, ed., ''Anarchism: A Documentary History of Libertarian Ideas, Volume Two: The Emergence of the New Anarchism (1939–1977)''[http://robertgraham.wordpress.com/anarchism-a-documentary-history-of-libertarian-ideas-volume-two-the-emergence-of-the-new-anarchism-1939-1977/]. Breton had returned to France in 1947 and in April of that year Andre Julien welcomed his return in the pages of Le Libertaire the weekly paper of the [[Fédération Anarchiste|Federation Anarchiste]]&quot;[http://libcom.org/history/1919-1950-the-politics-of-surrealism &quot;1919–1950: The politics of Surrealism&quot; by Nick Heath] on [[libcom.org]]&lt;/ref&gt;

[[Anarcho-pacifism]] became influential in the [[Anti-nuclear movement]] and [[anti war movement]]s of the time&lt;ref&gt;&quot;In the forties and fifties, anarchism, in fact if not in name, began to reappear, often in alliance with pacifism, as the basis for a critique of militarism on both sides of the Cold War.[http://robertgraham.wordpress.com/anarchism-a-documentary-history-of-libertarian-ideas-volume-two-the-emergence-of-the-new-anarchism-1939-1977/] The anarchist/pacifist wing of the peace movement was small in comparison with the wing of the movement that emphasized electoral work, but made an important contribution to the movement as a whole. Where the more conventional wing of the peace movement rejected militarism and war under all but the most dire circumstances, the anarchist/pacifist wing rejected these on principle.&quot;[http://www.monthlyreview.org/0901epstein.htm &quot;Anarchism and the Anti-Globalization Movement&quot; by Barbara Epstein]&lt;/ref&gt;&lt;ref&gt;&quot;In the 1950s and 1960s anarcho-pacifism began to gel, tough-minded anarchists adding to the mixture their critique of the state, and tender-minded pacifists their critique of violence. Its first practical manifestation was at the level of method: nonviolent direct action, principled and pragmatic, was used widely in both the Civil Rights movement in the USA and the campaign against nuclear weapons in Britain and elsewhere.&quot;[http://www.theanarchistlibrary.org/HTML/Geoffrey_Ostergaard__Resisting_the_Nation_State._The_pacifist_and_anarchist_tradition.html#toc13 Geoffrey Ostergaard.  ''Resisting the Nation State. The pacifist and anarchist tradition'']&lt;/ref&gt; as can be seen in the activism and writings of the English anarchist member of [[Campaign for Nuclear Disarmament]] [[Alex Comfort]] or the similar activism of the American catholic anarcho-pacifists  [[Ammon Hennacy]] and [[Dorothy Day]]. Anarcho-pacifism became a &quot;basis for a critique of militarism on both sides of the [[Cold War]].&quot;&lt;ref&gt;[http://www.monthlyreview.org/0901epstein.htm &quot;Anarchism and the Anti-Globalization Movement&quot; by Barbara Epstein]&lt;/ref&gt; The resurgence of anarchist ideas during this period is well documented in Robert Graham's [[Anarchism: A Documentary History of Libertarian Ideas]], ''Volume Two: The Emergence of the New Anarchism (1939–1977)''.&lt;ref name=&quot;robertgraham.wordpress.com&quot;/&gt;

===Contemporary anarchism===
{{Main|Contemporary anarchism}}
[[File:ParcGuellOkupas.jpg|thumb|left|The famous ''okupas'' [[squatting|squat]] near [[Park Güell|Parc Güell]], overlooking [[Barcelona]]. [[Squatting]] was a prominent part of the emergence of renewed anarchist movement from the [[counterculture]] of the 1960s and 1970s. On the roof: &quot;Occupy and Resist&quot;]] A surge of popular interest in anarchism occurred in western nations during the 1960s and 1970s.&lt;ref&gt;{{Harvnb|Thomas|1985|page=4}}&lt;/ref&gt; Anarchism was influential in the [[Counterculture of the 1960s]]&lt;ref&gt;[http://www.katesharpleylibrary.net/dnckhs &quot;These groups had their roots in the anarchist resurgence of the nineteen sixties. Young militants finding their way to anarchism, often from the anti-bomb and anti-Vietnam war movements, linked up with an earlier generation of activists, largely outside the ossified structures of 'official' anarchism. Anarchist tactics embraced demonstrations, direct action such as industrial militancy and squatting, protest bombings like those of the First of May Group and Angry Brigade – and a spree of publishing activity.&quot;&quot;Islands of Anarchy: Simian, Cienfuegos, Refract and their support network&quot; by John Patten]&lt;/ref&gt;&lt;ref&gt;Farrell provides a detailed history of the Catholic Workers and their founders Dorothy Day and Peter Maurin. He explains that their pacifism, anarchism, and commitment to the downtrodden were one of the important models and inspirations for the 1960s. As Farrell puts it, &quot;Catholic Workers identified the issues of the sixties before the Sixties began, and they offered models of protest long before the protest decade.&quot;[http://library.nothingness.org/articles/SA/en/display/268 &quot;The Spirit of the Sixties: The Making of Postwar Radicalism&quot; by James J. Farrell]&lt;/ref&gt;&lt;ref&gt;&quot;While not always formally recognized, much of the protest of the sixties was anarchist. Within the nascent women's movement, anarchist principles became so widespread that a political science professor denounced what she saw as &quot;[[The Tyranny of Structurelessness]].&quot; Several groups have called themselves &quot;Amazon Anarchists.&quot; After the [[Stonewall Rebellion]], the New York [[Gay Liberation Front]] based their organisation in part on a reading of [[Murray Bookchin]]'s anarchist writings.&quot; [http://www.williamapercy.com/wiki/images/Anarchism.pdf &quot;Anarchism&quot; by Charley Shively in ''Encyclopedia of Homosexuality'']. p. 52&lt;/ref&gt; and anarchists actively participated in the [[Protests of 1968|late sixties students and workers revolts]].&lt;ref&gt;&quot;Within the movements of the sixties there was much more receptivity to anarchism-in-fact than had existed in the movements of the thirties&amp;nbsp;... But the movements of the sixties were driven by concerns that were more compatible with an expressive style of politics, with hostility to authority in general and state power in particular&amp;nbsp;... By the late sixties, political protest was intertwined with cultural radicalism based on a critique of all authority and all hierarchies of power. Anarchism circulated within the movement along with other radical ideologies. The influence of anarchism was strongest among radical feminists, in the commune movement, and probably in the Weather Underground and elsewhere in the violent fringe of the anti-war movement.&quot; [http://www.monthlyreview.org/0901epstein.htm &quot;Anarchism and the Anti-Globalization Movement&quot; by Barbara Epstein]&lt;/ref&gt; In 1968 in [[Carrara]], Italy the [[International of Anarchist Federations]] was founded during an international anarchist conference held there in 1968 by the three existing European federations of France (the [[Fédération anarchiste|Fédération Anarchiste]]), the [[Federazione Anarchica Italiana]] of Italy and the [[Iberian Anarchist Federation]] as well as the [[Bulgaria]]n federation in French exile.&lt;ref&gt;[http://www.iisg.nl/archives/en/files/l/10760196.php London Federation of Anarchists involvement in Carrara conference, 1968] International Institute of Social History. Retrieved 19 January 2010&lt;/ref&gt;&lt;ref&gt;[http://flag.blackened.net/liberty/ifa-hist-short.html Short history of the IAF-IFA] A-infos news project. Retrieved 19 January 2010&lt;/ref&gt;

In the United Kingdom in the 1970s this was associated with the [[punk rock]] movement, as exemplified by bands such as [[Crass]] and the [[Sex Pistols]].&lt;ref&gt;{{cite book | last = McLaughlin | first = Paul | title = Anarchism and Authority | publisher = Ashgate | location = Aldershot | year = 2007 | isbn = 0-7546-6196-2 | page = 10}}&lt;/ref&gt; The housing and employment crisis in most of Western Europe led to the formation of [[commune (intentional community)|communes]] and [[Squatting|squatter]] movements like that of [[Barcelona]], Spain. In Denmark, [[squatter]]s occupied a disused military base and declared the [[Freetown Christiania]], an autonomous haven in central Copenhagen. Since the revival of anarchism in the mid 20th century,&lt;ref name=&quot;revival&quot;&gt;{{Cite journal
 |last=Williams
 |first=Leonard
 |date=September 2007
 |title=Anarchism Revived
 |journal=New Political Science
 |volume=29
 |issue=3
 |pages=297–312
 |doi=10.1080/07393140701510160
 |ref=harv
 }}
&lt;/ref&gt; a number of new movements and schools of thought emerged. Although feminist tendencies have always been a part of the anarchist movement in the form of [[anarcha-feminism]], they returned with vigour during the second wave of feminism in the 1960s. Anarchist anthropologist [[David Graeber]] and anarchist historian [[Andrej Grubacic]] have posited a rupture between generations of anarchism, with those &quot;who often still have not shaken the sectarian habits&quot; of the 19th century contrasted with the younger activists who are &quot;much more informed, among other elements, by [[Traditional knowledge|indigenous]], [[feminism|feminist]], ecological and [[counterculture|cultural-critical]] ideas&quot;, and who by the turn of the 21st century formed &quot;by far the majority&quot; of anarchists.&lt;ref name=&quot;graeber&quot;&gt;[[David Graeber]] and [[Andrej Grubacic]], &quot;[http://www.zmag.org/content/showarticle.cfm?SectionID=41&amp;ItemID=4796 Anarchism, Or The Revolutionary Movement Of The Twenty-first Century]&quot;, [[ZNet]]. Retrieved 2007-12-13. or [http://www.punksinscience.org/kleanthes/courses/UK04S/WV/Graeber-Grubacic.pdf Graeber, David and Grubacic, Andrej(2004)Anarchism, Or The Revolutionary Movement Of The Twenty-first Century Retrieved 26 July 2010]&lt;/ref&gt;

Around the turn of the 21st century, anarchism grew in popularity and influence as part of the anti-war, anti-capitalist, and [[anti-globalisation movement]]s.&lt;ref name=rupert&gt;{{cite book | page=66 |last = Rupert | first = Mark | title = Globalization and International Political Economy | publisher = Rowman &amp; Littlefield Publishers | location = Lanham | year = 2006 | isbn = 0-7425-2943-6 }}&lt;/ref&gt; Anarchists became known for their involvement in protests against the meetings of the [[World Trade Organization]] (WTO), [[G8|Group of Eight]], and the [[World Economic Forum]]. Some anarchist factions at these protests engaged in rioting, property destruction, and violent confrontations with police. These actions were precipitated by ad hoc, leaderless, anonymous cadres known as ''[[black bloc]]s''; other organisational tactics pioneered in this time include [[security culture]], [[affinity groups]] and the use of decentralised technologies such as the internet.&lt;ref name=rupert/&gt; A significant event of this period was the confrontations at [[World Trade Organization Ministerial Conference of 1999 protest activity|WTO conference in Seattle in 1999]].&lt;ref name=rupert/&gt; According to anarchist scholar [[Simon Critchley]], &quot;contemporary anarchism can be seen as a powerful critique of the pseudo-libertarianism of contemporary [[neo-liberalism]]&amp;nbsp;... One might say that contemporary anarchism is about responsibility, whether sexual, ecological or socio-economic; it flows from an experience of conscience about the manifold ways in which the West ravages the rest; it is an ethical outrage at the yawning inequality, impoverishment and disenfranchisment that is so palpable locally and globally.&quot;&lt;ref&gt;[[Simon Critchley#Infinitely Demanding|Infinitely Demanding]]'' by [[Simon Critchley]]. [[Verso Books|Verso]]. 2007. p. 125&lt;/ref&gt;

International anarchist federations in existence include the [[International of Anarchist Federations]], the [[International Workers' Association]], and [[International Libertarian Solidarity]].
The largest organised anarchist movement today is in Spain, in the form of the [[Confederación General del Trabajo]] (CGT) and the [[Confederación Nacional del Trabajo|CNT]]. CGT membership was estimated at around 100,000 for 2003.&lt;ref&gt;Carley, Mark &quot;Trade union membership 1993–2003&quot; (International:SPIRE Associates 2004).&lt;/ref&gt; Other active syndicalist movements include in Sweden the [[Central Organisation of the Workers of Sweden]] and the [[Swedish Anarcho-syndicalist Youth Federation]]; the CNT-AIT in France;&lt;ref&gt;[http://www.cnt-ait-fr.org/CNT-AIT/ACCUEIL.html%20Website%20of%20the%20Confédération%20Nationale%20du%20Travail%20-%20Association%20Internationale%20des%20Travailleurs http://www.cnt-ait-fr.org/CNT-AIT/ACCUEIL.html Website of the Confédération Nationale du Travail – Association Internationale des Travailleurs]&lt;/ref&gt; the [[Unione Sindacale Italiana|Union Sindicale Italiana]] in Italy; in the US [[Workers Solidarity Alliance]]  and the UK [[Solidarity Federation]] and [[Anarchist Federation (Britain and Ireland)|Anarchist Federation]]. The revolutionary industrial unionist [[Industrial Workers of the World]], claiming 2,000 paying members, and the [[International Workers Association]], an anarcho-syndicalist successor to the First International, also remain active.

==Anarchist schools of thought==
{{Main|Anarchist schools of thought}}
[[File:Portrait of Pierre Joseph Proudhon 1865.jpg|thumb|Portrait of philosopher [[Pierre-Joseph Proudhon]] (1809–1865) by [[Gustave Courbet]]. Proudhon was the primary proponent of anarchist [[Mutualism (economic theory)|mutualism]], and influenced many later [[individualist anarchist]] and social anarchist thinkers.]]
Anarchist schools of thought had been generally grouped in two main historical traditions, [[individualist anarchism]] and [[social anarchism]], which have some different origins, values and evolution.&lt;ref name=slevin/&gt;&lt;ref name=&quot;black dict&quot; /&gt;&lt;ref&gt;[http://libertarian-labyrinth.org/archive/Anarchism Anarchism], [http://www.amazon.co.uk/dp/1855069954 The New Encyclopedia of Social Reform] (1908).&lt;/ref&gt; The individualist wing of anarchism emphasises [[negative liberty]], i.e. opposition to state or [[social control]] over the individual, while those in the social wing emphasise [[positive liberty]] to achieve one's potential and argue that humans have needs that society ought to fulfill, &quot;recognizing equality of entitlement&quot;.&lt;ref&gt;Harrison, Kevin and Boyd, Tony. ''Understanding Political Ideas and Movements''. Manchester University Press 2003, p. 251.&lt;/ref&gt; In a chronological and theoretical sense, there are classical – those created throughout the 19th century – and post-classical anarchist schools – those created since the mid-20th century and after.

Beyond the specific factions of anarchist thought is [[philosophical anarchism]], which embodies the theoretical stance that the [[state (polity)|state]] lacks moral legitimacy without accepting the imperative of revolution to eliminate it. A component especially of individualist anarchism&lt;ref&gt;Outhwaite, William &amp; Tourain, Alain (Eds.). (2003). Anarchism. The Blackwell Dictionary of Modern Social Thought (2nd Edition, p. 12). Blackwell Publishing.&lt;/ref&gt;&lt;ref&gt;Wayne Gabardi, [http://links.jstor.org/sici?sici=0003-0554%28198603%2980%3A1%3C300%3AA%3E2.0.CO%3B2-6 review] of ''Anarchism'' by David Miller, published in ''American Political Science Review'' Vol. 80, No. 1. (Mar., 1986), pp. 300–02.&lt;/ref&gt; philosophical anarchism may accept the existence of a [[minarchism|minimal state]] as unfortunate, and usually temporary, &quot;necessary evil&quot; but argue that citizens do not have a [[moral obligation]] to obey the state when its laws conflict with individual autonomy.&lt;ref&gt;Klosko, George. ''Political Obligations''. Oxford University Press 2005. p. 4.&lt;/ref&gt; One reaction against sectarianism within the anarchist milieu was &quot;[[anarchism without adjectives]]&quot;, a call for [[toleration]] first adopted by [[Fernando Tarrida del Mármol]] in 1889 in response to the &quot;bitter debates&quot; of anarchist theory at the time.&lt;ref&gt;Avrich, Paul. ''[[Anarchist Voices: An Oral History of Anarchism in America]]''. Princeton University Press, 1996, p. 6.&lt;/ref&gt; In abandoning the hyphenated anarchisms (i.e. collectivist-, communist-, mutualist– and individualist-anarchism), it sought to emphasise the [[anti-authoritarian]] beliefs common to all anarchist schools of thought.&lt;ref&gt;Esenwein, George Richard &quot;Anarchist Ideology and the Working Class Movement in Spain, 1868–1898&quot; [p. 135].&lt;/ref&gt;

===Classical anarchist schools of thought===

====Mutualism====
{{Main|Mutualism (economic theory)}}
Mutualism began in 18th-century English and French labour movements before taking an anarchist form associated with [[Pierre-Joseph Proudhon]] in France and others in the United States.&lt;ref&gt;&quot;A member of a community,&quot; ''The Mutualist''; this 1826 series criticised [[Robert Owen]]'s proposals, and has been attributed to a dissident Owenite, possibly from the Friendly Association for Mutual Interests of Valley Forge; [[Shawn Wilburn|Wilbur, Shawn]], 2006, &quot;More from the 1826 &quot;Mutualist&quot;?&quot;.&lt;/ref&gt; Proudhon proposed [[spontaneous order]], whereby organisation emerges without central authority, a &quot;positive anarchy&quot; where order arises when everybody does &quot;what he wishes and only what he wishes&quot;&lt;ref&gt;Proudhon, ''Solution to the Social Problem'', ed. H. Cohen (New York: Vanguard Press, 1927), p. 45.&lt;/ref&gt; and where &quot;business transactions alone produce the social order.&quot;&lt;ref&gt;{{cite book |last=Proudhon |first=Pierre-Joseph |authorlink=Pierre-Joseph Proudhon |title=The Principle of Federation |publisher=University of Toronto Press |location=Toronto |year=1979 |isbn=0-8020-5458-7 |quote=The notion of ''anarchy'' in politics is just as rational and positive as any other. It means that once industrial functions have taken over from political functions, then business transactions alone produce the social order.}}&lt;/ref&gt; It is important to recognize that Proudhon distinguished between ideal political possibilities and practical governance. For this reason, much in contrast to some of his theoretical statements concerning ultimate spontaneous self-governance, Proudhon was heavily involved in French parliamentary politics and allied himself not with Anarchist but Socialist factions of workers movements and, in addition to advocating state-protected charters for worker-owned cooperatives, promoted certain nationalization schemes during his life of public service.

Mutualist anarchism is concerned with [[Reciprocity (cultural anthropology)|reciprocity]], free association, voluntary contract, federation, and credit and currency reform. According to the American mutualist [[William Batchelder Greene]], each worker in the mutualist system would receive &quot;just and exact pay for his work; services equivalent in cost being exchangeable for services equivalent in cost, without profit or discount.&quot;&lt;ref&gt;&quot;Communism versus Mutualism&quot;, ''Socialistic, Communistic, Mutualistic and Financial Fragments''. (Boston: Lee &amp; Shepard, 1875) [[William Batchelder Greene]]: &quot;Under the mutual system, each individual will receive the just and exact pay for his work; services equivalent in cost being exchangeable for services equivalent in cost, without profit or discount; and so much as the individual laborer will then get over and above what he has earned will come to him as his share in the general prosperity of the community of which he is an individual member.&quot;&lt;/ref&gt; Mutualism has been retrospectively characterised as ideologically situated between individualist and collectivist forms of anarchism.&lt;ref&gt;Avrich, Paul. ''Anarchist Voices: An Oral History of Anarchism in America'', Princeton University Press 1996 ISBN 0-691-04494-5, p. 6&lt;br /&gt;''Blackwell Encyclopaedia of Political Thought'', Blackwell Publishing 1991 ISBN 0-631-17944-5, p. 11.&lt;/ref&gt; Proudhon first characterised his goal as a &quot;third form of society, the synthesis of communism and property.&quot;&lt;ref&gt;Pierre-Joseph Proudhon. ''What Is Property?'' Princeton, MA: Benjamin R. Tucker, 1876. p. 281.&lt;/ref&gt;

====Individualist anarchism====
{{Main|Individualist anarchism}}
{{Individualism sidebar}}
Individualist anarchism refers to several traditions of thought within the anarchist movement that emphasize the [[individual]] and their [[will (philosophy)|will]] over any kinds of external determinants such as groups, society, traditions, and ideological systems.&lt;ref name=&quot;ryner&quot;&gt;&quot;What do I mean by individualism?
I mean by individualism the moral doctrine which, relying on no dogma, no tradition, no external determination, appeals only to the individual conscience.&quot;[http://www.marx.org/archive/ryner/1905/mini-manual.htm ''Mini-Manual of Individualism'' by Han Ryner]&lt;/ref&gt;&lt;ref name=&quot;tucker&quot;&gt;&quot;I do not admit anything except the existence of the individual, as a condition of his sovereignty. To say that the sovereignty of the individual is conditioned by Liberty is simply another way of saying that it is conditioned by itself.&quot;&quot;Anarchism and the State&quot; in ''Individual Liberty''&lt;/ref&gt; Individualist anarchism is not a single philosophy but refers to a group of individualistic philosophies that sometimes are in conflict.

In 1793, [[William Godwin]], who has often&lt;ref name=&quot;Everhart, Robert B 1982. p. 115&quot;/&gt; been cited as the first anarchist, wrote ''[[Political Justice]]'', which some consider the first expression of anarchism.&lt;ref name=&quot;godwinsep&quot; /&gt;&lt;ref name=&quot;Adams, Ian 2001. p. 116&quot;/&gt; Godwin, a philosophical anarchist, from a [[rationalist]] and [[utilitarian]] basis opposed revolutionary action and saw a [[Limited government|minimal state]] as a present &quot;necessary evil&quot; that would become increasingly irrelevant and powerless by the gradual spread of knowledge.&lt;ref name=&quot;godwinsep&quot;&gt;{{sep entry|godwin|William Godwin|Mark Philip|2006-05-20}}&lt;/ref&gt;&lt;ref&gt;{{cite book |title=[[Political Justice|Enquiry Concerning Political Justice and its Influence on Modern Morals and Manners]] |last=Godwin |first=William |authorlink=William Godwin |year=1796 |publisher=G.G. and J. Robinson |oclc=2340417 |origyear=1793}}&lt;/ref&gt; Godwin advocated [[individualism]], proposing that all cooperation in labour be eliminated on the premise that this would be most conducive with the general good.&lt;ref&gt;''Britannica Concise Encyclopedia''. Retrieved 7 December 2006, from [http://www.britannica.com/ebc/article-9037183 Encyclopædia Britannica Online].&lt;/ref&gt;&lt;ref name=pmcl119&gt;Paul McLaughlin. Anarchism and Authority: A Philosophical Introduction to Classical Anarchism. Ashgate Publishing, Ltd., 2007. p. 119.&lt;/ref&gt;
[[File:Max stirner.jpg|left|thumb|[[19th century philosophy|19th-century philosopher]] [[Max Stirner]], usually considered a prominent early [[individualist anarchist]] (sketch by [[Friedrich Engels]]).]]
An influential form of individualist anarchism, called &quot;egoism,&quot;&lt;ref name=&quot;Goodway, David 2006, p. 99&quot;&gt;Goodway, David. Anarchist Seeds Beneath the Snow. Liverpool University Press, 2006, p. 99.&lt;/ref&gt; or [[egoist anarchism]], was expounded by one of the earliest and best-known proponents of individualist anarchism, the German [[Max Stirner]].&lt;ref name=&quot;SEP-Stirner&quot;&gt;{{sep entry|max-stirner|Max Stirner|David Leopold|2006-08-04}}&lt;/ref&gt; Stirner's ''[[The Ego and Its Own]]'', published in 1844, is a founding text of the philosophy.&lt;ref name = &quot;SEP-Stirner&quot; /&gt; According to Stirner, the only limitation on the rights of the individual is their power to obtain what they desire,&lt;ref&gt;The Encyclopedia Americana: A Library of Universal Knowledge. Encyclopedia Corporation. p. 176.&lt;/ref&gt; without regard for God, state, or morality.&lt;ref&gt;Miller, David. &quot;Anarchism.&quot; 1987. ''The Blackwell Encyclopaedia of Political Thought''. Blackwell Publishing. p. 11.&lt;/ref&gt; To Stirner, rights were ''[[Reification (fallacy)|spooks]]'' in the mind, and he held that society does not exist but &quot;the individuals are its reality&quot;.&lt;ref&gt;&quot;What my might reaches is my property; and let me claim as property everything I feel myself strong enough to attain, and let me extend my actual property as fas as ''I'' entitle, that is, empower myself to take&amp;nbsp;...&quot; In Ossar, Michael. 1980. ''Anarchism in the Dramas of Ernst Toller''. SUNY Press. p. 27.&lt;/ref&gt; Stirner advocated self-assertion and foresaw [[union of egoists|unions of egoists]], non-systematic associations continually renewed by all parties' support through an act of will,&lt;ref name=nonserviam&gt;{{Cite journal |url=http://i-studies.com/journal/n/pdf/nsi-17.pdf#page=13 |title=The union of egoists |journal=Non Serviam |volume=1 |first=Svein Olav |last=Nyberg |pages=13–14 |location=Oslo, Norway |publisher=Svein Olav Nyberg |oclc=47758413 |accessdate=1 September 2012 |ref=harv |postscript=&lt;!-- Bot inserted parameter. Either remove it; or change its value to &quot;.&quot; for the cite to end in a &quot;.&quot;, as necessary. --&gt;{{inconsistent citations}}}}&lt;/ref&gt; which Stirner proposed as a form of organisation in place of the [[state (polity)|state]].&lt;ref name=karl&gt;{{cite book | last = Thomas | first = Paul | title = Karl Marx and the Anarchists | publisher = [[Routledge]]/[[Kegan Paul]] | location = London | year = 1985 | isbn = 0-7102-0685-2 |page=142}}&lt;/ref&gt; Egoist anarchists argue that egoism will foster genuine and spontaneous union between individuals.&lt;ref name=carlson&gt;{{cite book | last = Carlson | first = Andrew | title = Anarchism in Germany | publisher = Scarecrow Press | location = Metuchen | year = 1972 | isbn = 0-8108-0484-0 |chapterurl=http://tmh.floonet.net/articles/carlson.html |chapter=Philosophical Egoism: German Antecedents|accessdate=4 December 2008}}&lt;/ref&gt; &quot;Egoism&quot; has inspired many interpretations of Stirner's philosophy. It was re-discovered and promoted by German philosophical anarchist and [[LGBT]] activist [[John Henry Mackay]].

[[Josiah Warren]] is widely regarded as the first American anarchist,&lt;ref name=Slate&gt;Palmer, Brian (29 December 2010) [http://www.slate.com/id/2279457/ What do anarchists want from us?], ''[[Slate.com]]''&lt;/ref&gt; and the four-page weekly paper he edited during 1833, ''The Peaceful Revolutionist'', was the first anarchist periodical published.&lt;ref name=&quot;bailie20&quot;&gt;William Bailie, [http://libertarian-labyrinth.org/warren/1stAmAnarch.pdf] ''Josiah Warren: The First American Anarchist – A Sociological Study'', Boston: Small, Maynard &amp; Co., 1906, p. 20&lt;/ref&gt; For American anarchist historian Eunice Minette Schuster &quot;It is apparent&amp;nbsp;... that [[Pierre-Joseph Proudhon|Proudhonian]] Anarchism was to be found in the United States at least as early as 1848 and that it was not conscious of its affinity to the Individualist Anarchism of [[Josiah Warren]] and [[Stephen Pearl Andrews]]&amp;nbsp;... [[William B. Greene]] presented this Proudhonian Mutualism in its purest and most systematic form.&quot;.&lt;ref name=&quot;againstallauthority.org&quot;&gt;[http://www.againstallauthority.org/NativeAmericanAnarchism.html ''Native American Anarchism: A Study of Left-Wing American Individualism'' by Eunice Minette Schuster]&lt;/ref&gt; [[Henry David Thoreau]] (1817–1862) was an important early influence in individualist anarchist thought in the United States and Europe. Thoreau was an American author, poet, naturalist, tax resister, [[Development criticism|development critic]], surveyor, historian, philosopher, and leading [[transcendentalist]]. He is best known for his books ''[[Walden]]'', a reflection upon [[simple living]] in natural surroundings, and his essay, ''[[Civil Disobedience (Thoreau)|Civil Disobedience]]'', an argument for individual resistance to civil government in moral opposition to an unjust state. Later [[Benjamin Tucker]] fused Stirner's egoism with the economics of Warren and Proudhon in his eclectic influential publication ''[[Liberty (1881–1908)|Liberty]]''.

From these early influences individualist anarchism in different countries attracted a small but diverse following of bohemian artists and intellectuals,&lt;ref name=&quot;bohemian individualism&quot;&gt;[http://libcom.org/library/socanlifean2 &quot;2. Individualist Anarchism and Reaction&quot; in Social Anarchism or Lifestyle Anarchism – An Unbridgeable Chasm] on [[libcom.org]]&lt;/ref&gt; [[free love]] and [[birth control]] advocates (see [[Anarchism and issues related to love and sex]]),&lt;ref name=&quot;freelove&quot;&gt;[http://www.ncc-1776.org/tle1996/le961210.html The Free Love Movement and Radical Individualism By Wendy McElroy]&lt;/ref&gt;&lt;ref&gt;[http://www.acracia.org/1-23a58lainsumision.pdf &quot;La insumisión voluntaria: El anarquismo individualista español durante la Dictadura y la Segunda República (1923–1938)&quot; by Xavier Díez]&lt;/ref&gt; individualist [[Naturism|naturists]] [[Nudism|nudists]] (see [[anarcho-naturism]]),&lt;ref&gt;&quot;Los anarco-individualistas, G.I.A&amp;nbsp;... Una escisión de la FAI producida en el IX Congreso (Carrara, 1965) se produjo cuando un sector de anarquistas de tendencia humanista rechazan la interpretación que ellos juzgan disciplinaria del ''pacto asociativo'' clásico, y crean los GIA (Gruppi di Iniziativa Anarchica) . Esta pequeña federación de grupos, hoy nutrida sobre todo de veteranos anarco-individualistas de orientación pacifista, naturista, etcétera defiende la autonomía personal y rechaza a rajatabla toda forma de intervención en los procesos del sistema, como sería por ejemplo el sindicalismo. Su portavoz es L'Internazionale con sede en Ancona. La escisión de los GIA prefiguraba, en sentido contrario, el gran debate que pronto había de comenzar en el seno del movimiento&quot;[http://almeralia.enlucha.info/bicicleta/bicicleta/ciclo/01/17.htm &quot;El movimiento libertario en Italia&quot; by ''Bicicleta. REVISTA DE COMUNICACIONES LIBERTARIAS'' Year 1 No. Noviembre, 1 1977]&lt;/ref&gt;&lt;ref name=&quot;acracia.org&quot;&gt;&quot;Proliferarán así diversos grupos que practicarán el excursionismo, el naturismo, el nudismo, la emancipación sexual o el esperantismo, alrededor de asociaciones informales vinculadas de una manera o de otra al anarquismo. Precisamente las limitaciones a las asociaciones obreras impuestas desde la legislación especial de la Dictadura potenciarán indirectamente esta especie de asociacionismo informal en que confluirá el movimiento anarquista con esta heterogeneidad de prácticas y tendencias. Uno de los grupos más destacados, que será el impulsor de la revista individualista Ética será el Ateneo Naturista Ecléctico, con sede en Barcelona, con sus diferentes secciones la más destacada de las cuales será el grupo excursionista Sol y Vida.&quot;[http://www.acracia.org/1-23a58lainsumision.pdf &quot;La insumisión voluntaria: El anarquismo individualista español durante la Dictadura y la Segunda República (1923–1938)&quot; by Xavier Díez]&lt;/ref&gt;&lt;ref name=&quot;aujourdhui&quot;&gt;&quot;Les anarchistes individualistes du début du siècle l'avaient bien compris, et intégraient le naturisme dans leurs préoccupations. Il est vraiment dommage que ce discours se soit peu à peu effacé, d'antan plus que nous assistons, en ce moment, à un retour en force du puritanisme (conservateur par essence).&quot;[http://ytak.club.fr/natytak.html &quot;Anarchisme et naturisme, aujourd'hui.&quot; by Cathy Ytak]&lt;/ref&gt; [[freethought]] and [[Anti-clericalism|anti-clerical]] activists&lt;ref name=&quot;mises.org&quot;&gt;[http://mises.org/journals/jls/5_3/5_3_4.pdf Wendy McElroy. &quot;The culture of individualist anarchist in Late-nineteenth century America&quot;]&lt;/ref&gt;&lt;ref&gt;[http://www.viruseditorial.net/pdf/anarquismo individualista.pdf Xavier Diez. ''El anarquismo individualista en España (1923–1939)''  Virus Editorial. 2007. p. 143]&lt;/ref&gt; as well as young anarchist outlaws in what became known as [[illegalism]] and [[individual reclamation]]&lt;ref name=&quot;The Illegalists&quot;&gt;[http://recollectionbooks.com/siml/library/illegalistsDougImrie.htm The &quot;Illegalists&quot;], by Doug Imrie (published by [[Anarchy: A Journal of Desire Armed]])&lt;/ref&gt;&lt;ref name=&quot;Parry, Richard 1987. p. 15&quot;&gt;Parry, Richard. The Bonnot Gang. Rebel Press, 1987. p. 15&lt;/ref&gt; (see [[European individualist anarchism]] and [[individualist anarchism in France]]). These authors and activists included [[Oscar Wilde]], [[Emile Armand]], [[Han Ryner]], [[Henri Zisly]], [[Renzo Novatore]], [[Miguel Gimenez Igualada]], [[Adolf Brand]] and [[Lev Chernyi]] among others.

====Social anarchism====
{{Main|Social anarchism}}
{{Libertarian socialism}}
Social anarchism calls for a system with common ownership of means of production and democratic control of all organisations, without any government authority or [[coercion]]. It is the largest school of thought in anarchism.&lt;ref&gt;&quot;This does not mean that the majority thread within the anarchist movement is uncritical of individualist anarchism. Far from it! Social anarchists have argued that this influence of non-anarchist ideas means that while its &quot;criticism of the State is very searching, and [its] defence of the rights of the individual very powerful,&quot; like Spencer it &quot;opens&amp;nbsp;... the way for reconstituting under the heading of 'defence' all the functions of the State.&quot; [http://anarchism.pageabode.com/afaq/secGint.html Section G – Is individualist anarchism capitalistic?] ''[[An Anarchist FAQ]]''&lt;/ref&gt; Social anarchism rejects private property, seeing it as a source of social inequality (while retaining respect for [[personal property]]),&lt;ref name=&quot;theanarchistlibrary.org&quot;&gt;&quot;The revolution abolishes private ownership of the means of production and distribution, and with it goes capitalistic business. Personal possession remains only in the things you use. Thus, your watch is your own, but the watch factory belongs to the people.&quot;[http://www.theanarchistlibrary.org/HTML/Alexander_Berkman__What_Is_Communist_Anarchism_.html [[Alexander Berkman]]. &quot;[[Now and After|What Is Communist Anarchism?]]&quot;]&lt;/ref&gt; and emphasises cooperation and [[mutual aid (organization)|mutual aid]].&lt;ref&gt;[[Geoffrey Ostergaard|Ostergaard, Geoffrey]]. &quot;Anarchism&quot;. A Dictionary of Marxist Thought. Blackwell Publishing, 1991. p. 21.&lt;/ref&gt;

=====Collectivist anarchism=====
{{Main|Collectivist anarchism}}
Collectivist anarchism, also referred to as &quot;revolutionary socialism&quot; or a form of such,&lt;ref&gt;Morris, Brian. Bakunin: The Philosophy of Freedom. Black Rose Books Ltd., 1993. p. 76.&lt;/ref&gt;&lt;ref&gt;Rae, John. Contemporary Socialism. C. Scribner's sons, 1901, Original from Harvard University. p. 261.&lt;/ref&gt; is a revolutionary form of anarchism, commonly associated with [[Mikhail Bakunin]] and [[Johann Most]].&lt;ref name = &quot;Patsouras-p54&quot;&gt;Patsouras, Louis. 2005. Marx in Context. iUniverse. p. 54.&lt;/ref&gt;&lt;ref&gt;Avrich, Paul. 2006. ''Anarchist Voices: An Oral History of Anarchism in America''. [[AK Press]]. p. 5.&lt;/ref&gt; Collectivist anarchists oppose all private ownership of the means of production, instead advocating that ownership be collectivised. This was to be achieved through violent revolution, first starting with a small cohesive group through acts of violence, or ''[[propaganda by the deed]]'', which would inspire the workers as a whole to revolt and forcibly collectivise the means of production.&lt;ref name = &quot;Patsouras-p54&quot; /&gt;

However, collectivization was not to be extended to the distribution of income, as workers would be paid according to time worked, rather than receiving goods being distributed &quot;according to need&quot; as in anarcho-communism. This position was criticised by [[anarchist communists]] as effectively &quot;uphold[ing] the wages system&quot;.&lt;ref&gt;{{cite book |last=Kropotkin |first=Peter |title=The Conquest of Bread |publisher=AK Press |location=Edinburgh |year=2007 |chapter=13 |isbn=978-1-904859-10-9}}&lt;/ref&gt; Collectivist anarchism arose contemporaneously with [[Marxism]] but opposed the Marxist [[dictatorship of the proletariat]], despite the stated Marxist goal of a collectivist stateless society.&lt;ref&gt;{{cite book |last=Bakunin |first=Mikhail |title=Statism and Anarchy |publisher=Cambridge University Press |location=Cambridge |year=1990 |isbn=0-521-36182-6 |quote=They [the Marxists] maintain that only a dictatorship&amp;nbsp;– their dictatorship, of course&amp;nbsp;– can create the will of the people, while our answer to this is: No dictatorship can have any other aim but that of self-perpetuation, and it can beget only slavery in the people tolerating it; freedom can be created only by freedom, that is, by a universal rebellion on the part of the people and free organization of the toiling masses from the bottom up.}}&lt;/ref&gt; Anarchist, communist and collectivist ideas are not [[mutually exclusive]]; although the collectivist anarchists advocated compensation for labour, some held out the possibility of a post-revolutionary transition to a communist system of distribution according to need.&lt;ref&gt;{{cite web |authorlink=James Guillaume|last=Guillaume |first=James |url=http://www.marxists.org/reference/archive/guillaume/works/ideas.htm |title=Ideas on Social Organization |year=1876}}&lt;/ref&gt;

=====Anarcho-communism=====
{{Main|Anarcho-communism}}
{{Anarcho-communism sidebar}}
Anarchist communism (also known as anarcho-communism, libertarian communism&lt;ref&gt;&quot;Anarchist communism is also known as anarcho-communism, communist anarchism, or, sometimes, libertarian communism.&quot;[http://libcom.org/thought/anarchist-communism-an-introduction &quot;Anarchist communism – an introduction&quot;] by [[Libcom.org]]&lt;/ref&gt;&lt;ref&gt;&quot;The terms libertarian communism and anarchist communism thus became synonymous within the international anarchist movement as a result of the close connection they had in Spain (with libertarian communism becoming the prevalent term).&quot;[http://www.fdca.it/fdcaen/historical/vault/ancom-libcom.htm &quot;Anarchist Communism &amp; Libertarian Communism&quot; by Gruppo Comunista Anarchico di Firenze. from &quot;L'informatore di parte&quot;, No. 4, October 1979, quarterly journal of the Gruppo Comunista Anarchico di Firenze], on [[libcom.org]]&lt;/ref&gt;&lt;ref&gt;&quot;The 'Manifesto of Libertarian Communism' was written in 1953 by Georges Fontenis for the Federation Communiste Libertaire of France. It is one of the key texts of the anarchist-communist current.&quot; [http://libcom.org/library/manifesto-of-libertarian-communism-georges-fontenis &quot;Manifesto of Libertarian Communism&quot; by Georges Fontenis] on [[libcom.org]]&lt;/ref&gt;&lt;ref&gt;&quot;In 1926 a group of exiled Russian anarchists in France, the Delo Truda (Workers' Cause) group, published this pamphlet. It arose not from some academic study but from their experiences in the 1917 Russian revolution.&quot; [http://www.nestormakhno.info/english/platform/org_plat.htm &quot;The Organizational Platform of the Libertarian Communists&quot; by Delo Truda]&lt;/ref&gt; and occasionally as free communism) is a theory of anarchism that advocates abolition of the [[State (polity)|state]], [[markets]], money, [[private property]] (while retaining respect for [[personal property]]),&lt;ref name=&quot;theanarchistlibrary.org&quot;/&gt; and capitalism in favour of [[common ownership]] of the [[means of production]],&lt;ref name=Mayne&gt;{{cite book |url=http://books.google.com/?id=6MkTz6Rq7wUC&amp;pg=PA131&amp;dq=Communist+anarchism+belives+in+collective+ownership |title=From Politics Past to Politics Future: An Integrated Analysis of Current and Emergent Paradigms Alan James Mayne Published 1999 Greenwood Publishing Group 316 pages ISBN 0-275-96151-6 |publisher=Books.google.com |date= |accessdate=20 September 2010|isbn=978-0-275-96151-0|year=1999}}&lt;/ref&gt;&lt;ref&gt;{{cite book |url=http://books.google.com/?id=jeiudz5sBV4C&amp;pg=PA14&amp;dq=Communist+anarchism+believes+in+common+ownership#PPA13,M1 |title=Anarchism for Know-It-Alls By Know-It-Alls For Know-It-Alls, For Know-It-Alls Published by Filiquarian Publishing, LLC., 2008 ISBN 1-59986-218-2, 9781599862187 72 pages |publisher=Books.google.com |date= January 2008|accessdate=20 September 2010|isbn=978-1-59986-218-7}}&lt;/ref&gt; [[direct democracy]] and a horizontal network of [[voluntary association]]s and [[workers' council]]s with production and consumption based on the guiding principle: &quot;[[from each according to his ability, to each according to his need]]&quot;.&lt;ref&gt;Fabbri, Luigi. &quot;Anarchism and Communism.&quot; Northeastern Anarchist #4. 1922. 13 October 2002. http://dwardmac.pitzer.edu/anarchist_archives/worldwidemovements/fabbrianarandcom.html&lt;/ref&gt;&lt;ref&gt;Makhno, Mett, Arshinov, Valevski, Linski (Dielo Trouda). &quot;The Organizational Platform of the Libertarian Communists&quot;. 1926. Constructive Section: available here http://www.nestormakhno.info/english/platform/constructive.htm&lt;/ref&gt;
[[File:Kropotkin2.jpg|thumb|right|Russian theorist [[Peter Kropotkin]] (1842–1921), who was influential in the development of [[anarchist communism]].]]
Some forms of anarchist communism such as [[insurrectionary anarchism]] are strongly influenced by [[egoist anarchism|egoism]] and radical [[individualism]], believing anarcho-communism is the best social system for the realization of individual freedom.&lt;ref name=&quot;bobblack&quot;&gt;[[Post-left anarchy|Post-left]] anarcho-communist [[Bob Black]] after analysing [[Insurrectionary anarchism|insurrectionary]] anarcho-communist [[Luigi Galleani]]'s view on anarcho-communism went as far as saying that &quot;communism is the final fulfillment of [[individualism]]&amp;nbsp;... The apparent contradiction between individualism and communism rests on a misunderstanding of both&amp;nbsp;... Subjectivity is also objective: the individual really is subjective. It is nonsense to speak of &quot;emphatically prioritizing the social over the individual,&quot;...&amp;nbsp;You may as well speak of prioritizing the chicken over the egg. Anarchy is a &quot;method of individualization.&quot; It aims to combine the greatest individual development with the greatest communal unity.&quot;[http://www.theanarchistlibrary.org/HTML/Bob_Black__Nightmares_of_Reason.html#toc22 Bob Black. ''Nightmares of Reason''.]&lt;/ref&gt;&lt;ref name=&quot;dwardmac.pitzer.edu&quot;&gt;&quot;Modern Communists are more individualistic than Stirner. To them, not merely religion, morality, family and State are spooks, but property also is no more than a spook, in whose name the individual is enslaved – and how enslaved!&amp;nbsp;... Communism thus creates a basis for the liberty and Eigenheit of the individual. I am a Communist because I am an Individualist. Fully as heartily the Communists concur with Stirner when he puts the word take in place of demand – that leads to the dissolution of property, to expropriation. Individualism and Communism go hand in hand.&quot;[http://dwardmac.pitzer.edu/anarchist_archives/goldman/ME/mev2n3.html#142 [[Max Baginski]]. &quot;Stirner: The Ego and His Own&quot; on ''[[Mother Earth (magazine)|Mother Earth]]''. Vol. 2. No. 3 May 1907]&lt;/ref&gt;&lt;ref&gt;Christopher Gray, ''Leaving the Twentieth Century'', p. 88.&lt;/ref&gt;&lt;ref name=&quot;creativenothing&quot;&gt;[http://www.theanarchistlibrary.org/HTML/Renzo_Novatore__Toward_the_Creative_Nothing.html &quot;Towards the creative Nothing&quot; by [[Renzo Novatore]]&lt;/ref&gt; Most anarcho-communists view anarcho-communism as a way of reconciling the opposition between the individual and society.&lt;ref&gt;&quot;Communism is the one which guarantees the greatest amount of individual liberty – provided that the idea that begets the community be Liberty, Anarchy&amp;nbsp;... Communism guarantees economic freedom better than any other form of association, because it can guarantee wellbeing, even luxury, in return for a few hours of work instead of a day's work.&quot; [http://www.theanarchistlibrary.org/HTML/Petr_Kropotkin__Communism_and_Anarchy.html &quot;Communism and Anarchy&quot; by [[Peter Kropotkin]]&lt;/ref&gt;&lt;ref&gt;This other society will be libertarian communism, in which social solidarity and free individuality find their full expression, and in which these two ideas develop in perfect harmony.
[http://www.theanarchistlibrary.org/HTML/Dielo_Truda__Workers__Cause___Organisational_Platform_of_the_Libertarian_Communists.html ''Organizational Platform of the Libertarian Communists'' by Dielo Truda (Workers' Cause)]&lt;/ref&gt;&lt;ref&gt;&quot;I see the dichotomies made between individualism and communism, individual revolt and class struggle, the struggle against human exploitation and the exploitation of nature as false dichotomies and feel that those who accept them are impoverishing their own critique and struggle.&quot;[http://www.reocities.com/kk_abacus/vb/wd12persp.html &quot;MY PERSPECTIVES&quot; by Willful Disobedience Vol. 2, No. 12]&lt;/ref&gt;

Anarcho-communism developed out of radical socialist currents after the French revolution&lt;ref name=&quot;Graham-2005&quot;&gt;Robert Graham, ''Anarchism – A Documentary History of Libertarian Ideas – Volume One: From Anarchy to Anarchism (300CE to 1939)'', Black Rose Books, 2005&lt;/ref&gt;&lt;ref&gt;[http://www.theanarchistlibrary.org/HTML/Petr_Kropotkin__The_Great_French_Revolution_1789-1793.html#toc42 &quot;Chapter 41: The &quot;Anarchists&quot;&quot; in ''The Great French Revolution 1789–1793'' by Peter Kropotkin]&lt;/ref&gt; but was first formulated as such in the Italian section of the [[First International]].&lt;ref name=&quot;Nunzio Pernicone pp. 111–13&quot;&gt;Nunzio Pernicone, &quot;Italian Anarchism 1864–1892&quot;, pp. 111–13, AK Press 2009.&lt;/ref&gt; The theoretical work of [[Peter Kropotkin]] took importance later as it expanded and developed pro-organisationalist and [[Insurrectionary anarchism|insurrectionary anti-organisationalist]] sections.&lt;ref name=&quot; Alain Pengam&quot;&gt;[http://www.theanarchistlibrary.org/HTML/Alain_Pengam__Anarchist-Communism.html &quot;Anarchist-Communism&quot; by Alain Pengam]&lt;/ref&gt; To date, the best known examples of an anarchist communist society (i.e., established around the ideas as they exist today and achieving worldwide attention and knowledge in the historical canon), are the anarchist territories during the [[Spanish Revolution]]&lt;ref&gt;&quot;This process of education and class organization, more than any single factor in Spain, produced the collectives. And to the degree that the CNT-FAI (for the two organizations became fatally coupled after July 1936) exercised the major influence in an area, the collectives proved to be generally more durable, communist and resistant to Stalinist counterrevolution than other republican-held areas of Spain.&quot; [http://www.theanarchistlibrary.org/HTML/Murray_Bookchin__To_Remember_Spain__The_Anarchist_and_Syndicalist_Revolution_of_1936.html [[Murray Bookchin]. ''To Remember Spain: The Anarchist and Syndicalist Revolution of 1936'']&lt;/ref&gt; and the [[Free Territory]] during the [[Russian Revolution (1917)|Russian Revolution]]. Through the efforts and influence of the [[Spanish Anarchists]] during the [[Spanish Revolution]] within the [[Spanish Civil War]], starting in 1936 anarchist communism existed in most of Aragon, parts of the Levante and Andalusia, as well as in the stronghold of [[Anarchist Catalonia]] before being crushed by the combined forces of [[Francoism|the regime that won the war]], [[Adolf Hitler|Hitler]], Mussolini, Spanish Communist Party repression (backed by the USSR) as well as economic and armaments blockades from the capitalist countries and the Spanish Republic itself.&lt;ref&gt;[http://www.theanarchistlibrary.org/HTML/Murray_Bookchin__To_Remember_Spain__The_Anarchist_and_Syndicalist_Revolution_of_1936.html [[Murray Bookchin]. ''To Remember Spain: The Anarchist and Syndicalist Revolution of 1936'']&lt;/ref&gt; During the Russian Revolution, anarchists such as [[Nestor Makhno]] worked to create and defend – through the [[Revolutionary Insurrectionary Army of Ukraine]] – anarchist communism in the [[Free Territory]] of the Ukraine from 1919 before being conquered by the Bolsheviks in 1921.

=====Anarcho-syndicalism=====
{{Main|Anarcho-syndicalism}}
[[File:Manifestación CNT Bilbao.jpg|thumb|left|May day demonstration of Spanish [[anarcho-syndicalist]] trade union [[Confederación Nacional del Trabajo|CNT]] in [[Bilbao]], Basque Country in 2010]]Anarcho-syndicalism is a branch of anarchism that focuses on the [[trade union|labour movement]].&lt;ref&gt;Sorel, Georges. 'Political Theorists in Context' Routledge (2004) p. 248&lt;/ref&gt; Anarcho-syndicalists view [[trade union|labour unions]] as a potential force for revolutionary social change, replacing capitalism and the [[State (polity)|state]] with a new society democratically self-managed by workers. The basic principles of anarcho-syndicalism are: Workers' [[wikt:Solidarity|solidarity]], [[Direct action]] and [[Workers' self-management]]
Anarcho-syndicalists believe that only [[direct action]] – that is, action concentrated on directly attaining a goal, as opposed to indirect action, such as electing a representative to a government position – will allow workers to liberate themselves.&lt;ref&gt;Rocker, Rudolf. 'Anarcho-Syndicalism: Theory and Practice' AK Press (2004) p. 73&lt;/ref&gt; Moreover, anarcho-syndicalists believe that workers' organisations (the organisations that struggle against the wage system, which, in anarcho-syndicalist theory, will eventually form the basis of a new society) should be self-managing. They should not have bosses or &quot;business agents&quot;; rather, the workers should be able to make all the decisions that affect them themselves. [[Rudolf Rocker]] was one of the most popular voices in the anarcho-syndicalist movement. He outlined a view of the origins of the movement, what it sought, and why it was important to the future of labour in his 1938 pamphlet ''Anarcho-Syndicalism''.The [[International Workers Association]] is an international anarcho-syndicalist federation of various labour unions from different countries. The Spanish [[Confederación Nacional del Trabajo]] played and still plays a major role in the Spanish [[labour movement]]. It was also an important force in the [[Spanish Civil War]].

===Post-classical schools of thought===
[[File:Jarach and Zerzan.JPG|thumb|left|[[Lawrence Jarach]] (left) and [[John Zerzan]] (right), two prominent contemporary anarchist authors. Zerzan is known as prominent voice within [[anarcho-primitivism]], while Jarach is a noted advocate of [[post-left anarchy]].]]
Anarchism continues to generate many philosophies and movements, at times eclectic, drawing upon various sources, and [[Syncretic politics|syncretic]], combining disparate concepts to create new philosophical approaches.&lt;ref&gt;Perlin, Terry M. ''[http://books.google.com.ec/books?id=mppLKlwHx7oC&amp;printsec=frontcover&amp;dq=Contemporary+_+Anarchism&amp;ei=vSDBSuXHMo2mM8mu-OsP#v=onepage&amp;q=&amp;f=false Contemporary Anarchism]''. Transaction Books, New Brunswick, NJ 1979&lt;/ref&gt;

[[Green anarchism]] (or eco-anarchism)&lt;ref&gt;David Pepper (1996). [http://books.google.com.ec/books?id=PQOvkB7UoWgC&amp;pg=PA44&amp;dq= Modern Environmentalism] p. 44. Routledge.&lt;/ref&gt; is a school of thought within anarchism that emphasizes environmental issues,&lt;ref&gt;Ian Adams (2001). [http://books.google.com.ec/books?id=apstK1qIvvMC&amp;pg=PA130&amp;dq= Political Ideology Today] p. 130. Manchester University Press.&lt;/ref&gt; with an important precedent in [[anarcho-naturism]],&lt;ref name=&quot;acracia.org&quot;/&gt;&lt;ref&gt;&quot;Anarchism and the different Naturist views have always been related.&quot;[http://www.naturismo.org/adn/ediciones/2003/invierno/7e.html &quot;Anarchism – Nudism, Naturism&quot; by Carlos Ortega at Asociacion para el Desarrollo Naturista de la Comunidad de Madrid. Published on Revista ''ADN''. Winter 2003]&lt;/ref&gt;&lt;ref name=&quot;naturismolibertario&quot;&gt;[http://www.soliobrera.org/pdefs/cuaderno4.pdf#search=%22Antonia%20Maym%C3%B3n%22 EL NATURISMO LIBERTARIO EN LA PENÍNSULA IBÉRICA (1890–1939) by Jose Maria Rosello]&lt;/ref&gt; and whose main contemporary currents are [[anarcho-primitivism]] and [[social ecology]].

[[Anarcha-feminism]] (also called anarchist feminism and anarcho-feminism) combines anarchism with [[feminism]]. It generally views [[patriarchy]] as a manifestation of involuntary [[Coercion|coercive]] hierarchy that should be replaced by [[decentralised]] [[Free association (communism and anarchism)|free association]]. Anarcha-feminists believe that the struggle against patriarchy is an essential part of [[class struggle]], and the anarchist struggle against the [[State (polity)|state]]. In essence, the philosophy sees anarchist struggle as a necessary component of feminist struggle and vice-versa. [[L. Susan Brown]] claims that &quot;as anarchism is a political philosophy that opposes all relationships of power, it is inherently feminist&quot;.&lt;ref&gt;Brown, p. 208.&lt;/ref&gt; Anarcha-feminism began with the late 19th century writings of early feminist anarchists such as [[Emma Goldman]] and [[Voltairine de Cleyre]].

[[Anarcho-pacifism]] is a tendency that rejects violence in the struggle for social change (see [[non-violence]]).&lt;ref name=&quot;ppu.org.uk&quot;/&gt;&lt;ref name=&quot;Anarchism 1962&quot;/&gt; It developed &quot;mostly in the [[Netherlands]], Britain, and the United States, before and during the Second World War&quot;.&lt;ref name=&quot;Anarchism 1962&quot;/&gt; [[Christian anarchism]] is a [[Christian movement|movement]] in [[political theology]] that combines anarchism and Christianity.&lt;ref&gt;{{cite book |title=Christian Anarchism: A Political Commentary on the Gospel |last=Christoyannopoulos |first=Alexandre |authorlink=Alexandre Christoyannopoulos |coauthors= |year=2010 |publisher=Imprint Academic |location=Exeter |isbn= |page= |pages=2–4 |url= |accessdate=|quote=Locating Christian anarchism&amp;nbsp;... In political theology}}&lt;/ref&gt; Its main proponents included [[Leo Tolstoy]], [[Dorothy Day]], [[Ammon Hennacy]], and [[Jacques Ellul]].

[[Platformism]] is a tendency within the wider anarchist movement based on the organisational theories in the tradition of [[Dielo Truda]]'s ''Organisational Platform of the General Union of Anarchists (Draft)''.&lt;ref name=Platformtext&gt;{{cite book |last=Dielo Trouda group |authorlink=Dielo Trouda |title=Organizational Platform of the General Union of Anarchists (Draft) |origyear=1926 |url=http://www.anarkismo.net/newswire.php?story_id=1000 |accessdate=24 October 2006 |year=2006 |publisher=FdCA |location=Italy| archiveurl= http://web.archive.org/web/20070311013533/http://www.anarkismo.net/newswire.php?story_id=1000| archivedate= 11 March 2007&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt;  The document was based on the experiences of [[Anarchism in Russia|Russian anarchists]] in the 1917 [[October Revolution]], which led eventually to the victory of the [[Bolsheviks]] over the anarchists and other groups. The ''Platform'' attempted to address and explain the anarchist movement's failures during the [[Russian Revolution (1917)|Russian Revolution]].
{{Green anarchism |Related}}
[[Synthesis anarchism]] is a form of anarchism that tries to join anarchists of different tendencies under the principles of [[anarchism without adjectives]].&lt;ref name=&quot;infoshop.org&quot;&gt;[http://www.infoshop.org/page/AnarchistFAQSectionJ3 &quot;J.3.2 What are &quot;synthesis&quot; federations?&quot; in [[An Anarchist FAQ]]&lt;/ref&gt; In the 1920s, this form found as its main proponents the [[anarcho-communists]] [[Voline]] and [[Sébastien Faure]].&lt;ref name=&quot;infoshop.org&quot;/&gt;&lt;ref&gt;&quot;The remedy has been found: libertarian communism.&quot;[http://www.theanarchistlibrary.org/HTML/Sebastien_Faure__Libertarian_Communism.html [[Sébastien Faure]. &quot;Libertarian Communism&quot;]&lt;/ref&gt; It is the main principle behind the anarchist federations grouped around the contemporary global [[International of Anarchist Federations]].&lt;ref&gt;&quot;Most national sections of the International Anarchist Federation (IFA) are good examples of successful federations which are heavily influenced by &quot;synthesis&quot; ideas (such as the French and Italian federations).&quot;[http://www.infoshop.org/page/AnarchistFAQSectionJ3 &quot;J.3.2 What are &quot;synthesis&quot; federations?&quot; in [[An Anarchist FAQ]]&lt;/ref&gt;

[[Post-left anarchy]] is a recent current in anarchist thought that promotes a critique of anarchism's relationship to traditional [[Left-wing politics]]. Some post-leftists seek to escape the confines of [[ideology]] in general also presenting a critique of organisations and [[morality]].&lt;ref name=&quot;ideology&quot;&gt;[http://www.insurgentdesire.org.uk/postleft.htm &quot;Post-Left Anarchy: Leaving the Left Behind Prologue to Post-Left Anarchy&quot;] by [[Jason McQuinn]]&lt;/ref&gt; Influenced by the work of [[Max Stirner]]&lt;ref name=&quot;ideology&quot;/&gt; and by the Marxist [[Situationist International]],&lt;ref name=&quot;ideology&quot;/&gt; post-left anarchy is marked by a focus on social [[insurrectionary anarchism|insurrection]] and a rejection of leftist social organisation.&lt;ref&gt;{{cite book |chapter=Introduction |last=Macphee |first=Josh |title=Realizing the Impossible |publisher=AK Press |location=Stirling |year=2007 |isbn=1-904859-32-1 }}&lt;/ref&gt;

[[Insurrectionary anarchism]] is a revolutionary theory, practice, and tendency within the anarchist movement which emphasizes [[insurrection]] within anarchist practice.&lt;ref name=&quot;sasha&quot;&gt;[http://www.insurgentdesire.org.uk/notes.htm &quot;Some Notes on Insurrectionary Anarchism&quot; from Venomous Butterfly and Willful Disobedience]&lt;/ref&gt;&lt;ref name=&quot;joeblack&quot;&gt;{{cite web |url=http://www.ainfos.ca/06/jul/ainfos00232.html |title=&quot;Anarchism, insurrections and insurrectionalism&quot; by Joe Black |publisher=Ainfos.ca |date=19 July 2006 |accessdate=20 September 2010| archiveurl= http://web.archive.org/web/20101206162459/http://www.ainfos.ca/06/jul/ainfos00232.html| archivedate= 6 December 2010&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; It is critical of formal organisations such as [[labour unions]] and federations that are based on a political programme and periodic congresses.&lt;ref name=&quot;sasha&quot;/&gt; Instead, insurrectionary anarchists advocate informal organisation and small [[affinity group]] based organisation.&lt;ref name=&quot;sasha&quot;/&gt;&lt;ref name=&quot;joeblack&quot;/&gt; Insurrectionary anarchists put value in attack, permanent [[class conflict]], and a refusal to negotiate or compromise with class enemies.&lt;ref name=&quot;sasha&quot;/&gt;&lt;ref name=&quot;joeblack&quot;/&gt;

[[Post-anarchism]] is a theoretical move towards a synthesis of classical anarchist theory and [[poststructuralist]] thought, drawing from diverse ideas including [[post-modernism]], [[autonomist marxism]], [[post-left anarchy]], [[Situationist International|situationism]], and [[postcolonialism]].

[[Anarcho-capitalism]] advocates the elimination of the [[state (polity)|state]] in favour of [[sovereign individual|individual sovereignty]] in a [[free market]].&lt;ref&gt;[[Ronald Hamowy|Hamowy, Ronald]] (editor). ''The Encyclopedia of Libertarianism,'' SAGE, 2008, [http://books.google.com/books?id=yxNgXs3TkJYC&amp;pg=PT50&amp;dq=anarcho-capitalism+libertarian&amp;hl=en&amp;ei=guxiTNrmIMP7lweDmPC1Dw&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=2&amp;ved=0CCwQ6AEwAQ#v=onepage&amp;q=anarcho-capitalism%20libertarian&amp;f=false pp. 10–12], [http://books.google.com/books?id=yxNgXs3TkJYC&amp;pg=PT50&amp;dq=anarcho-capitalism+libertarian&amp;hl=en&amp;ei=guxiTNrmIMP7lweDmPC1Dw&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=2&amp;ved=0CCwQ6AEwAQ#v=onepage&amp;q=radical%20%20libertarian&amp;f=false p 195], ISBN 978-1-4129-6580-4, ISBN 978-1-4129-6580-4&lt;/ref&gt;&lt;ref name=Stringham51&gt;Edward Stringham, ''Anarchy and the law: the political economy of choice,'' [http://books.google.com/books?id=nft4e62nicsC&amp;pg=PA51&amp;dq=anarcho-capitalism+libertarian&amp;hl=en&amp;ei=R9JiTMCQOYH6lwfGw-SICg&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=8&amp;ved=0CE4Q6AEwBw#v=onepage&amp;q=anarcho-capitalism%20libertarian&amp;f=false p 51]&lt;/ref&gt; Anarcho-capitalism developed from radical anti-state [[libertarianism]] and [[individualist anarchism]],&lt;ref name=Tormey&gt;Tormey, Simon. ''Anti-Capitalism'', One World, 2004.&lt;/ref&gt;&lt;ref name=Perlin&gt;Perlin, Terry M. ''Contemporary Anarchism'', Transaction Books, NJ 1979.&lt;/ref&gt;&lt;ref name=Raico&gt;Raico, Ralph. ''Authentic German Liberalism of the 19th Century'', Ecole Polytechnique, Centre de Recherce en Epistemologie Appliquee, Unité associée au CNRS, 2004.&lt;/ref&gt;&lt;ref name=Heider&gt;Heider, Ulrike. ''Anarchism:Left, Right, and Green'', City Lights, 1994. p. 3.&lt;/ref&gt;&lt;ref name=Outhwaite&gt;Outhwaite, William. ''The Blackwell Dictionary of Modern Social Thought'', ''Anarchism'' entry, p. 21, 2002.&lt;/ref&gt;&lt;ref name=Bottomore&gt;Bottomore, Tom. '' Dictionary of Marxist Thought'', ''Anarchism'' entry, 1991.&lt;/ref&gt;&lt;ref name=Ostergaard&gt;Ostergaard, Geofrey. Resisting the Nation State – the anarchist and pacifist tradition, Anarchism As A Tradition of Political Thought. Peace Pledge Union Publications [http://www.ppu.org.uk/e_publications/dd-trad6.html]&lt;/ref&gt; drawing from [[Austrian School]] economics, study of [[law and economics]], and [[public choice theory]].&lt;ref&gt;Edward Stringham, [http://www.independent.org/publications/tir/article.asp?issueID=53&amp;articleID=686 ''Anarchy, State, and Public Choice''], Cheltenham, UK: Edward Elgar, 2005.&lt;/ref&gt; There is a strong current within anarchism which does not consider that anarcho-capitalism can be considered a part of the anarchist movement due to the fact that anarchism has historically been an [[anti-capitalist]] movement and for definitional reasons which see anarchism incompatible with capitalist forms.&lt;ref&gt;&quot;The philosophy of “anarcho-capitalism” dreamed up by the “libertarian” [[New Right]], has nothing to do with Anarchism as known by the Anarchist movement proper.&quot;[[Albert Meltzer|Meltzer, Albert]]. ''[http://books.google.com/books?id=CJhCvx_Z0CAC&amp;printsec=frontcover&amp;dq=Anarchism:+Arguments+For+and+Against&amp;ei=GHi-StvuEo6MNfKjyZMD&amp;hl=es#v=onepage&amp;q=&amp;f=false Anarchism: Arguments For and Against]'' [[AK Press]], (2000) p.&amp;nbsp;50&lt;/ref&gt;&lt;ref&gt;&quot;In fact, few anarchists would accept the 'anarcho-capitalists' into the anarchist camp since they do not share a concern for economic equality and social justice, Their self-interested, calculating market men would be incapable of practising voluntary co-operation and mutual aid. Anarcho-capitalists, even if they do reject the State, might therefore best be called [[Right-libertarianism|right-wing libertarians]] rather than anarchists.&quot; Peter Marshall. Demanding the impossible: A history of anarchism. Harper Perennial. London. 2008. p. 565&lt;/ref&gt;&lt;ref&gt;&quot;It is important to distinguish between anarchism and certain strands of [[Right-libertarianism|right-wing libertarianism]] which at times go by the same name (for example, Murray Rothbard's anarcho-capitalism).&quot;[[Saul Newman]], ''[http://books.google.com/books?id=SiqBiViUsOkC&amp;pg=PA43&amp;dq=anarcho-capitalism+right+libertarian&amp;hl=en&amp;ei=TxeYTKOLFYH-8Aaa77WlAQ&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=3&amp;ved=0CDEQ6AEwAjge#v=onepage&amp;q=anarcho-capitalism%20right%20libertarian&amp;f=false The Politics of Postanarchism, Edinburgh University Press,]'' 2010, p. 43 ISBN 0748634959&lt;/ref&gt;&lt;ref&gt;[http://anarchism.pageabode.com/afaq/secFcon.html Section F – Is &quot;anarcho&quot;-capitalism a type of anarchism?] at [[An Anarchist FAQ]] published in physical book form by An Anarchist FAQ as &quot;Volume I&quot;; by [[AK Press]], Oakland/Edinburgh 2008; 558 pages, ISBN 9781902593906&lt;/ref&gt;&lt;ref&gt;&quot;‘Libertarian’ and ‘libertarianism’ are frequently employed by anarchists as synonyms for ‘anarchist’ and ‘anarchism’, largely as an attempt to distance themselves from the negative connotations of ‘anarchy’ and its derivatives. The situation has been vastly complicated in recent decades with the rise of anarcho-capitalism, ‘minimal statism’ and an extreme right-wing laissez-faire philosophy advocated by such theorists as Murray Rothbard and Robert Nozick and their adoption of the words ‘libertarian’ and ‘libertarianism’. It has therefore now become necessary to distinguish between their [[right libertarianism]] and the [[left libertarianism]] of the anarchist tradition.&quot; ''Anarchist seeds beneath the snow: left libertarian thought and british writers from William Morris to Colin Ward'' by David Goodway. Liverpool University Press. Liverpool. 2006. p. 4&lt;/ref&gt;&lt;ref&gt;&quot;Within Libertarianism, Rothbard represents a minority perspective that actually argues for the total elimination of the state. However Rothbard’s claim as an anarchist is quickly voided when it is shown that he only wants an end to the public state. In its place he allows countless private states, with each person supplying their own police force, army, and law, or else purchasing these services from capitalist venders...so what remains is shrill anti-statism conjoined to a vacuous freedom in hackneyed defense of capitalism. In sum, the “anarchy” of Libertarianism reduces to a liberal fraud.[http://theanarchistlibrary.org/library/peter-sabatini-libertarianism-bogus-anarchy &quot;Libertarianism: Bogus Anarchy&quot; by Peter Sabatini] in issue #41 (Fall/Winter 1994–95) of ''[[Anarchy: A Journal of Desire Armed]]''&lt;/ref&gt;
&lt;!-- If you are looking to extend this section, please add the content to the proper sub-article [[anarchist schools of thought]] instead. --&gt;{{-}}

==Internal issues and debates==
{{See also|Anarchism and violence|Anarchist schools of thought|Issues in anarchism}}
[[File:Gadewar.jpg|thumb|Which forms of violence (if any) are [[anarchism and violence|consistent with anarchist values]] is a controversial subject among anarchists.]]&lt;!-- In the interest of restricting article length, please limit this section to two or three short paragraphs and add any substantial information to the main Issues in anarchism article. Thank you. --&gt;
Anarchism is a [[philosophy]] that embodies many diverse attitudes, tendencies and schools of thought; as such, disagreement over questions of values, ideology and tactics is common. The compatibility of [[anarchism and capitalism|capitalism]],&lt;ref name=oxcom&gt;&quot;Anarchism.&quot; ''[[The Oxford Companion to Philosophy]]'', [[Oxford University Press]], 2007, p. 31.&lt;/ref&gt; [[anarchism and nationalism|nationalism]], and [[anarchism and religion|religion]] with anarchism is widely disputed. Similarly, anarchism enjoys complex relationships with ideologies such as [[Anarchism and Marxism|Marxism]], [[Issues in anarchism#Communism|communism]] and [[Anarchism and capitalism|capitalism]]. Anarchists may be motivated by [[humanism]], [[Christian anarchism|divine authority]], [[ethical egoism|enlightened self-interest]], [[veganarchism|veganism]] or any number of alternative ethical doctrines.

Phenomena such as [[civilization]], [[technology]] (e.g. within [[anarcho-primitivism]] and [[insurrectionary anarchism]]), and [[Issues in anarchism#Participation in statist democracy|the democratic process]] may be sharply criticised within some anarchist tendencies and simultaneously lauded in others.

On a tactical level, while [[propaganda of the deed]] was a tactic used by anarchists in the 19th century (e.g. the [[Nihilist movement]]), some contemporary anarchists espouse alternative [[direct action]] methods such as [[nonviolence]], [[counter-economics]] and [[Crypto-anarchism|anti-state cryptography]] to bring about an anarchist society. About the scope of an anarchist society, some anarchists advocate a global one, while others do so by local ones.&lt;ref&gt;Ted Honderich, Carmen García Trevijano, [http://books.google.es/books?id=s9iwZGv44psC&amp;pg=PA402&amp;dq=Enciclopedia+teor%C3%ADa+pol%C3%ADtica&amp;lr=&amp;as_brr=3#PPA57,M1 ''Oxford Encyclopaedia of Philosophy''].&lt;/ref&gt; The diversity in anarchism has led to widely different use of identical terms among different anarchist traditions, which has led to many [[definitional concerns in anarchist theory]].{{-}}

==Topics of interest==
Intersecting and overlapping between various schools of thought, certain topics of interest and internal disputes have proven perennial within anarchist theory.

===Free love===
{{Main|Free love|Anarchism and issues related to love and sex|Anarcha-feminism|Queer anarchism}}
[[File:Emilearmand01.jpg|thumb|300px|French [[individualist anarchist]] [[Emile Armand]] (1872–1962), who propounded the virtues of free love in the Parisian anarchist milieu of the early 20th century]]
An important current within anarchism is [[free love]].&lt;ref name=autogenerated3&gt;{{cite web |url=http://www.ncc-1776.org/tle1996/le961210.html |title=The Free Love Movement and Radical Individualism By Wendy McElroy |publisher=Ncc-1776.org |date=1 December 1996 |accessdate=20 September 2010| archiveurl= http://web.archive.org/web/20101231195631/http://ncc-1776.org/tle1996/le961210.html| archivedate= 31 December 2010&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; Free love advocates sometimes traced their roots back to [[Josiah Warren]] and to experimental communities, viewed sexual freedom as a clear, direct expression of an individual's self-ownership. Free love particularly stressed [[women's rights]] since most sexual laws discriminated against women: for example, marriage laws and anti-birth control measures.&lt;ref name=&quot;freelove&quot;/&gt; The most important American free love journal was ''[[Lucifer the Lightbearer]]'' (1883–1907) edited by [[Moses Harman]] and [[Lois Waisbrooker]],&lt;ref&gt;Joanne E. Passet, &quot;Power through Print: Lois Waisbrooker and Grassroots Feminism,&quot; in: ''Women in Print: Essays on the Print Culture of American Women from the Nineteenth and Twentieth Centuries'', James Philip Danky and Wayne A. Wiegand, eds., Madison, WI, University of Wisconsin Press, 2006; pp. 229–50.&lt;/ref&gt; but also there existed [[Ezra Heywood]] and Angela Heywood's ''[[The Word (free love)|The Word]]'' (1872–1890, 1892–1893).&lt;ref name=&quot;freelove&quot;/&gt; ''[[Free Society]]'' (1895–1897 as ''The Firebrand''; 1897–1904 as ''Free Society'') was a major anarchist newspaper in the United States at the end of the 19th and beginning of the 20th centuries.&lt;ref name=&quot;Goldman-MSF-551&quot;&gt;&quot;''Free Society'' was the principal English-language forum for anarchist ideas in the United States at the beginning of the twentieth century.&quot; ''Emma Goldman: Making Speech Free, 1902–1909'', p. 551.&lt;/ref&gt; The publication advocated [[free love]] and [[women's rights]], and critiqued &quot;[[Comstockery]]&quot; – censorship of sexual information. Also [[M. E. Lazarus]] was an important American individualist anarchist who promoted free love.&lt;ref name=&quot;freelove&quot;/&gt;

In New York City's [[Greenwich Village]], [[Bohemianism|bohemian]] feminists and socialists advocated self-realisation and pleasure for women (and also men) in the here and now. They encouraged playing with sexual roles and sexuality,&lt;ref&gt;Sochen, June. 1972. ''The New Woman: Feminism in Greenwich Village 1910–1920.'' New York: Quadrangle.&lt;/ref&gt; and the openly bisexual radical [[Edna St. Vincent Millay]] and the lesbian anarchist [[Margaret Anderson]] were prominent among them. Discussion groups organised by the Villagers were frequented by [[Emma Goldman]], among others. Magnus Hirschfeld noted in 1923 that Goldman &quot;has campaigned boldly and steadfastly for individual rights, and especially for those deprived of their rights. Thus it came about that she was the first and only woman, indeed the first and only American, to take up the defense of homosexual love before the general public.&quot;&lt;ref&gt;Katz, Jonathan Ned. ''Gay American History: Lesbians and Gay Men in the U.S.A.'' (New York: Thomas Y. Crowell, 1976)&lt;/ref&gt; In fact, before Goldman, [[heterosexual]] anarchist Robert Reitzel (1849–1898) spoke positively of homosexuality from the beginning of the 1890s in his Detroit-based German language journal ''Der arme Teufel''. In Argentina anarcha-feminist [[Virginia Bolten]] published the newspaper called ''{{lang|es|La Voz de la Mujer}}'' ({{lang-en|The Woman's Voice}}), which was published nine times in Rosario between 8 January 1896 and 1 January 1897, and was revived, briefly, in 1901.&lt;ref name=&quot;molyneux&quot;&gt;{{cite book |last=Molyneux|first=Maxine|title=Women's movements in international perspective: Latin America and beyond|publisher=Palgrave MacMillan|year=2001|page=24|isbn=978-0-333-78677-2|url=http://books.google.com/books?id=yg9HFrOG89kC&amp;pg=PA24}}&lt;/ref&gt;

In Europe the main propagandist of free love within individualist anarchism was [[Emile Armand]].&lt;ref name=&quot;armandfreelove&quot;&gt;{{cite web |url=http://www.iisg.nl/womhist/manfreuk.pdf |title=E. Armand and &quot;la camaraderie amoureuse&quot; – Revolutionary sexualism and the struggle against jealousy |format=PDF |date= |accessdate=20 September 2010}}&lt;/ref&gt; He proposed the concept of ''la camaraderie amoureuse'' to speak of free love as the possibility of voluntary sexual encounter between consenting adults. He was also a consistent proponent of [[polyamory]].&lt;ref name=&quot;armandfreelove&quot;/&gt; In Germany the [[stirner]]ists [[Adolf Brand]] and [[John Henry Mackay]] were pioneering campaigners for the acceptance of male [[bisexuality]] and [[homosexuality]]. [[Mujeres Libres]] was an anarchist women's organisation in Spain that aimed to empower working class women.  It was founded in 1936 by [[Lucía Sánchez Saornil]], Mercedes Comaposada and [[Amparo Poch y Gascón]] and had approximately 30,000 members. The organisation was based on the idea of a &quot;double struggle&quot; for [[Feminist movement|women's liberation]] and [[social revolution]] and argued that the two objectives were equally important and should be pursued in parallel. In order to gain mutual support, they created networks of women anarchists.&lt;ref&gt;[http://flag.blackened.net/revolt/ws98/ws54_mujeres_libres.html Mujeres Libres – Women anarchists in the Spanish Revolution&lt;!-- Bot generated title --&gt;]&lt;/ref&gt; [[Lucía Sánchez Saornil]] was a main founder of the Spanish [[anarcha-feminist]] federation [[Mujeres Libres]] who was open about her [[lesbian]]ism.&lt;ref&gt;[http://wzar.unizar.es/siem/articulos/Premios/MujeresLibres.pdf &quot;basta pensar en el lesbianismo de Lucía Sánchez Saornil&quot;]&lt;/ref&gt; She was published in a variety of literary journals where working under a male pen name, she was able to explore [[lesbian]] themes&lt;ref&gt;&quot;R. Fue una época transgresora, emergió el feminismo y la libertad sexual estuvo en el candelero. Hay rastreos de muchas lesbianas escritoras: Carmen Conde[primera académica de número], Victorina Durán, Margarita Xirgu, Ana María Sagi, la periodista Irene Polo, Lucía Sánchez Saornil, fundadora de Mujeres Libres[sección feminista de CNT]... Incluso existía un círculo sáfico en Madrid como lugar de encuentro y tertulia.P. ¿Se declaraban lesbianas?R. Había quien no se escondía mucho, como Polo o Durán, pero lesbiana era un insulto, algo innombrable. Excepto los poemas homosexuales de Sánchez Saornil, sus textos no eran explícitos para poder publicarlos, así que hay que reinterpretarlos.&quot;[http://elpais.com/diario/2007/12/06/paisvasco/1196973608_850215.html &quot;Tener referentes serios de lesbianas elimina estereotipos&quot; by Juan Fernandez at ''El Pais'']&lt;/ref&gt; at a time when homosexuality was criminalized and subject to [[censorship]] and punishment.

More recently, the British [[anarcho-pacifist]] [[Alex Comfort]] gained notoriety during the [[sexual revolution]] for writing the bestseller sex manual ''[[The Joy of Sex]]''. The issue of [[free love]] has a dedicated treatment in the work of French anarcho-[[hedonist]] philosopher [[Michel Onfray]] in such works as ''Théorie du corps amoureux : pour une érotique solaire'' (2000) and ''L'invention du plaisir : fragments cyréaniques'' (2002).

===Libertarian education and freethought===
{{See also|Anarchism and education|Freethought}}
[[File:Fransisco Ferrer Guardia.jpg|left|thumb|[[Francesc Ferrer i Guàrdia]], [[Catalan people|Catalan]] anarchist pedagogue and [[Freethought|free-thinker]]]] For English anarchist [[William Godwin]] education was &quot;the main means by which change would be achieved.&quot;&lt;ref name=&quot;GroupedRef1&quot;&gt;[http://www.infed.org/thinkers/et-good.htm &quot;william godwin and informal education&quot; by infed]&lt;/ref&gt; Godwin saw that the main goal of education should be the promotion of happiness.&lt;ref name=&quot;GroupedRef1&quot; /&gt; For Godwin education had to have &quot;A respect for the child's autonomy which precluded any form of coercion,&quot; &quot;A pedagogy that respected this and sought to build on the child's own motivation and initiatives,&quot; and &quot;A concern about the child's capacity to resist an ideology transmitted through the school.&quot;&lt;ref name=&quot;GroupedRef1&quot; /&gt; In his ''[[Political Justice]]'' he criticises state sponsored schooling &quot;on account of its obvious alliance with national government&quot;.&lt;ref name=&quot;Enquiry Concerning Political Justice&quot;&gt;{{Cite book |chapterurl=http://socserv.mcmaster.ca/econ/ugcm/3ll3/godwin/pj6.htm |at=Book 4: Of Opinion Considered as a Subject of Political Institution |chapter=1: General Effects of the Political Superintendence of Opinion |title=Enquiry Concerning Political Justice |first=William |last=Godwin  |edition=1st |id={{OCLC|680251053|642217608|504755839}} |publisher=G.G.J. and J. Robinson |location=London, England |year=1793 |ref=harv |postscript=&lt;!-- Bot inserted parameter. Either remove it; or change its value to &quot;.&quot; for the cite to end in a &quot;.&quot;, as necessary. --&gt;{{inconsistent citations}}}}&lt;/ref&gt; Early American anarchist [[Josiah Warren]] advanced alternative education experiences in the libertarian communities he established.&lt;ref&gt;&quot;Where utopian projectors starting with [[Plato]] entertained the idea of creating an ideal species through eugenics and education and a set of universally valid institutions inculcating shared identities, Warren wanted to dissolve such identities in a solution of individual self-sovereignty. His educational experiments, for example, possibly under the influence of the Swiss educational theorist [[Johann Heinrich Pestalozzi]] (via [[Robert Owen|Owen]]), emphasized – as we would expect – the nurturing of the independence and the conscience of individual children, not the inculcation of pre-conceived values.[http://www.crispinsartwell.com/warrenintrocurrent.htm &quot;Introduction of The Practical Anarchist: Writings of Josiah Warren&quot; by Crispin Sartwell]&lt;/ref&gt; [[Max Stirner]] wrote in 1842 a long essay on education called ''[[The False Principle of our Education]]''. In it Stirner names his educational principle &quot;personalist,&quot; explaining that self-understanding consists in hourly self-creation. Education for him is to create &quot;free men, sovereign characters,&quot; by which he means &quot;eternal characters&amp;nbsp;... who are therefore eternal because they form themselves each moment&quot;.&lt;ref&gt;{{cite web |url=http://tmh.floonet.net/articles/falseprinciple.html |title=The False Principle of our Education|author=Max Stirner |publisher=Tmh.floonet.net |date= |accessdate=20 September 2010}}&lt;/ref&gt;

In the United States &quot;freethought was a basically [[Anti-Christianity|anti-christian]], [[anti-clerical]] movement, whose purpose was to make the individual politically and spiritually free to decide for himself on religious matters. A number of contributors to ''[[Liberty (1881–1908)|Liberty]]'' (anarchist publication) were prominent figures in both freethought and anarchism. The individualist anarchist George MacDonald was a co-editor of ''Freethought'' and, for a time, ''The Truth Seeker''. E.C. Walker was co-editor of the excellent free-thought / free love journal ''[[Lucifer, the Light-Bearer]]''&quot;.&lt;ref name=&quot;mises.org&quot;/&gt; &quot;Many of the anarchists were ardent freethinkers; reprints from freethought papers such as ''[[Lucifer, the Light-Bearer]]'', ''Freethought'' and ''The Truth Seeker'' appeared in ''[[Liberty (1881–1908)|Liberty]]''...&amp;nbsp;The church was viewed as a common ally of the state and as a repressive force in and of itself&quot;.&lt;ref name=&quot;mises.org&quot;/&gt;

In 1901, Catalan anarchist and [[Freethought|free-thinker]] [[Francesc Ferrer i Guàrdia]] established &quot;modern&quot; or [[Progressive education|progressive schools]] in [[Barcelona]] in defiance of an educational system controlled by the Catholic Church.&lt;ref name=&quot;Fidler&quot;&gt;{{cite journal |author=Geoffrey C. Fidler |date=Spring–Summer 1985 |title=The Escuela Moderna Movement of Francisco Ferrer: &quot;Por la Verdad y la Justicia&quot; |journal=History of Education Quarterly |volume=25 |issue=1/2 |pages=103–132   |doi=10.2307/368893 |jstor=368893 |publisher=History of Education Society |ref=harv}}&lt;/ref&gt; The schools' stated goal was to &quot;[[Popular education|educate the working class]] in a rational, secular and non-coercive setting&quot;. Fiercely anti-clerical, Ferrer believed in &quot;freedom in education&quot;, education free from the authority of church and state.&lt;ref&gt;{{cite web |url=http://flag.blackened.net/revolt/spain/ferrer.html |title=Francisco Ferrer's Modern School |publisher=Flag.blackened.net |date= |accessdate=20 September 2010| archiveurl= http://web.archive.org/web/20100807032003/http://flag.blackened.net/revolt/spain/ferrer.html| archivedate= 7 August 2010&lt;!--Added by DASHBot--&gt;}}&lt;/ref&gt; [[Murray Bookchin]] wrote: &quot;This period [1890s] was the heyday of libertarian schools and pedagogical projects in all areas of the country where Anarchists exercised some degree of influence. Perhaps the best-known effort in this field was Francisco Ferrer's Modern School (Escuela Moderna), a project which exercised a considerable influence on Catalan education and on experimental techniques of teaching generally.&quot;&lt;ref&gt;Chapter 7, ''[[anarcho-syndicalism|Anarchosyndicalism]], The New Ferment''. In Murray Bookchin, ''The Spanish anarchists: the heroic years, 1868–1936''. AK Press, 1998, p. 115. ISBN 1-873176-04-X&lt;/ref&gt; La Escuela Moderna, and Ferrer's ideas generally, formed the inspiration for a series of ''[[Modern School (United States)|Modern Schools]]'' in the United States,&lt;ref name=&quot;Fidler&quot;/&gt; [[Cuba]], South America and London. The first of these was started in New York City in 1911. It also inspired the Italian newspaper ''[[Università popolare (Italian newspaper)|Università popolare]]'', founded in 1901. Russian [[christian anarchist]] [[Leo Tolstoy]] established a school for peasant children on his estate.&lt;ref name=&quot;GroupedRef2&quot;&gt;[http://www.theanarchistlibrary.org/HTML/Matt_Hern__The_Emergence_of_Compulsory_Schooling_and_Anarchist_Resistance.html &quot;The Emergence of Compulsory Schooling and Anarchist Resistance&quot; by Matt Hern]&lt;/ref&gt; Tolstoy's educational experiments were short-lived due to harassment by the Tsarist secret police.&lt;ref&gt;{{cite book | last = Wilson | first = A.N. | title = Tolstoy | publisher = Norton, W. W. &amp; Company, Inc. | year = 2001 | page = xxi | url = http://books.google.com/books?id=imYmH8myBUsC&amp;pg=PR19 |  isbn = 0-393-32122-3 }}&lt;/ref&gt; Tolstoy established a conceptual difference between education and culture.&lt;ref name=&quot;GroupedRef2&quot; /&gt; He thought that &quot;Education is the tendency of one man to make another just like himself&amp;nbsp;... Education is culture under restraint, culture is free. [Education is] when the teaching is forced upon the pupil, and when then instruction is exclusive, that is when only those subjects are taught which the educator regards as necessary&quot;.&lt;ref name=&quot;GroupedRef2&quot; /&gt; For him &quot;without compulsion, education was transformed into culture&quot;.&lt;ref name=&quot;GroupedRef2&quot; /&gt;

A more recent libertarian tradition on education is that of [[unschooling]] and the [[anarchist free school|free school]] in which child-led activity replaces pedagogic approaches. Experiments in Germany led to [[A. S. Neill]] founding what became [[Summerhill School]] in 1921.&lt;ref&gt;{{cite book | last = Purkis | first = Jon | title = Changing Anarchism | publisher = Manchester University Press | location = Manchester | year = 2004 | isbn = 0-7190-6694-8 }}&lt;/ref&gt; Summerhill is often cited as an example of anarchism in practice.&lt;ref&gt;British anarchists [[Stuart Christie]] and [[Albert Meltzer]] manifested that &quot;A.S. Neill is the modern pioneer of libertarian education and of &quot;hearts not heads in the school&quot;. Though he has denied being an anarchist, it would be hard to know how else to describe his philosophy, though he is correct in recognising the difference between revolution in philosophy and pedagogy, and the revolutionary change of society. They are associated but not the same thing.&quot; [[Stuart Christie]] and [[Albert Meltzer]]. [http://theanarchistlibrary.org/library/stuart-christie-albert-meltzer-the-floodgates-of-anarchy  ''The Floodgates of Anarchy'']&lt;/ref&gt;&lt;ref&gt;Andrew Vincent (2010) ''Modern Political Ideologies'', 3rd edition, Oxford, Wiley-Blackwell p. 129&lt;/ref&gt; However, although Summerhill and other free schools are radically libertarian, they differ in principle from those of Ferrer by not advocating an overtly political [[class struggle]]-approach.&lt;ref&gt;{{cite journal |first=Judith |last=Suissa |url=http://newhumanist.org.uk/1288/anarchy-in-the-classroom|title= Anarchy in the classroom |journal=[[The New Humanist]] |volume=120 |issue=5 |date=September–October 2005 |ref=harv}}&lt;/ref&gt;
In addition to organising schools according to libertarian principles, anarchists have also questioned the concept of schooling per se. The term [[deschooling]] was popularised by [[Ivan Illich]], who argued that the school as an institution is dysfunctional for self-determined learning and serves the creation of a consumer society instead.&lt;ref&gt;{{cite book |last=Illich| first=Ivan |title=Deschooling Society |place= New York|publisher= Harper and Row| year= 1971| isbn= 0-06-012139-4}}&lt;/ref&gt;

== Criticisms ==
{{Main|Criticisms of anarchism}}
Criticisms of anarchism include [[morality|moral]] criticisms and pragmatic criticisms. Anarchism is often evaluated as unfeasible or [[utopian]] by its critics. European history professor Carl Landauer, in his book ''European Socialism'' argued that social anarchism is unrealistic and that government is a &quot;lesser evil&quot; than a society without &quot;repressive force.&quot; He also argued that &quot;ill intentions will cease if repressive force disappears&quot; is an &quot;absurdity.&quot;&lt;ref&gt;Landauer, Carl. ''European Socialism: A History of Ideas and Movements'' (1959)&lt;/ref&gt;

==See also==
* [[Anarchist economics]]
* [[Anarchist symbolism]]
* [[Libertarianism]]
* [[Lists of anarchism topics]]
* [[List of anarchist communities]]
* [[List of anarchist movements by region]]
* [[List of films dealing with Anarchism]]
* [[Outline of anarchism]]
* {{Lookfrom|Anarch}}
{{Portal bar|Anarchism|Social and political philosophy|Social movements}}

== References ==
{{Reflist|colwidth=30em}}

==Further reading==
* [[Harold Barclay|Barclay, Harold]], ''People Without Government: An Anthropology of Anarchy'' (2nd ed.), Left Bank Books, 1990 ISBN 1-871082-16-1
* Blumenfeld, Jacob; Bottici, Chiara; [[Simon Critchley|Critchley, Simon]], eds., ''The Anarchist Turn'', Pluto Press. 19 March 2013. ISBN 9780745333427
* [[April Carter|Carter, April]], ''The Political Theory of Anarchism'', Harper &amp; Row. 1971. ISBN 978-0-06-136050-3
* Gordon, Uri, ''Anarchy Alive!'', London: [[Pluto Press]], 2007.
* Graham, Robert, ed., ''[[Anarchism: A Documentary History of Libertarian Ideas]]''.
** ''Volume One: From Anarchy to Anarchism (300CE to 1939)'', [[Black Rose Books]], Montréal and London 2005. ISBN 1-55164-250-6.
** ''Volume Two: The Anarchist Current (1939–2006)'', Black Rose Books, Montréal 2007. ISBN 978-1-55164-311-3.
* [[Daniel Guerin|Guerin, Daniel]], [http://www.theanarchistlibrary.org/HTML/Daniel_Guerin__Anarchism__From_Theory_to_Practice.html ''Anarchism: From Theory to Practice''], Monthly Review Press. 1970. ISBN 0-85345-175-3
* [[Clifford Harper|Harper, Clifford]], ''Anarchy: A Graphic Guide'', (Camden Press, 1987): An overview, updating Woodcock's classic, and illustrated throughout by Harper's woodcut-style artwork.
* McKay, Iain, ed., ''[[An Anarchist FAQ]]''.
** ''Volume I'', [[AK Press]], Oakland/Edinburgh 2008;  558 pages, ISBN 978-1-902593-90-6.
** ''Volume II'', AK Press, Oakland/Edinburgh 2012; 550 Pages, ISBN 978-1-84935-122-5
* McLaughlin, Paul, ''Anarchism and Authority: A Philosophical Introduction to Classical Anarchism'', AshGate. 2007. ISBN 0-7546-6196-2
* [[Max Nettlau|Nettlau, Max]], ''Anarchy through the times'', Gordon Press. 1979. ISBN 0-8490-1397-6
* {{cite book |author=Sartwell, Crispin|title=Against the state: an introduction to anarchist political theory|publisher=SUNY Press|year=2008|isbn=978-0-7914-7447-1|url=http://books.google.com/books?id=bk-aaMVGKO0C}}
* [[George Woodcock|Woodcock, George]], ''Anarchism: A History of Libertarian Ideas and Movements'' (Penguin Books, 1962). ISBN 0-14-022697-4. {{oclc|221147531}}.
* Woodcock, George, ed., ''The Anarchist Reader'' (Fontana/Collins 1977; ISBN 0-00-634011-3): An anthology of writings from anarchist thinkers and activists including [[Pierre-Joseph Proudhon|Proudhon]], [[Peter Kropotkin|Kropotkin]], [[Mikhail Bakunin|Bakunin]], [[Errico Malatesta|Malatesta]], [[Murray Bookchin|Bookchin]], [[Emma Goldman|Goldman]], and many others.
* Woodcock, George, ed., ''Demanding the Impossible: A History of Anarchism'', PM Press. 2010. ISBN 1-60486-064-2

==External links==
{{Sister project links|voy=no|n=no|v=no}}
* [http://anarchism.pageabode.com/afaq/index.html &quot;An Anarchist FAQ Webpage&quot;]&amp;nbsp;–[[An Anarchist FAQ]]
* {{In Our Time|Anarchism|p0038x9t|Anarchism}}
* [http://www.ditext.com/anarchism/ Anarchism: A Bibliography]
* [http://www.gmu.edu/departments/economics/bcaplan/anarfaq.htm Anarchist Theory FAQ]&amp;nbsp;–by [[Bryan Caplan]]
* [http://dwardmac.pitzer.edu/Anarchist_Archives/ Anarchy Archives]&amp;nbsp;– information relating to famous anarchists including their writings (see [[Anarchy Archives]]).
* [http://recollectionbooks.com/bleed/gallery/galleryindex.htm Daily Bleed's Anarchist Encyclopedia]&amp;nbsp;–700+ entries, with short biographies, links and dedicated pages
* [http://www.katesharpleylibrary.net/ KateSharpleyLibrary.net]&amp;nbsp;–website of the [[Kate Sharpley Library]], containing many historical documents pertaining to anarchism
* [http://www.infoshop.org/ Infoshop.org] – an online collection of news and information about anarchism.
* [http://www.theanarchistlibrary.org/ The Anarchist Library] large online library with texts from anarchist authors
* [http://www.theyliewedie.org/ressources/biblio/index-en.php They Lie We Die]&amp;nbsp;–anarchist virtual library containing 768 books, booklets and texts
&lt;!-- Attention! The external link portion of this article regularly grows far beyond manageable size. PLEASE only list an outside link if it applies to anarchism in general, is somewhat noteworthy, and has consensus on the talkpage. Links to sites which cover anarchist submovements will be routinely moved to subarticles to keep this article free of clutter --&gt;

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      <text xml:space="preserve">{{dablink|This article is about the classic autistic disorder; some writers use the word ''autism'' when referring to the range of disorders on the [[autism spectrum]] or to the various [[pervasive developmental disorder]]s.&lt;ref name=Caronna/&gt;}}
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&lt;!-- NOTES:
1) Please follow the Wikipedia style guidelines for editing medical articles [[WP:MEDMOS]], and medical referencing standards at [[WP:MEDRS]].
2) Use &lt;ref&gt; for explicitly cited references.
3) Reference anything you put here with notable references, as this subject tends to attract a lot of controversy.--&gt;
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{{Infobox disease
 | Name = Autism
 | Image = Autism-stacking-cans 2nd edit.jpg
 | Alt = Young red-haired boy facing away from camera, stacking a seventh can atop a column of six food cans on the kitchen floor. An open pantry contains many more cans.
 | Caption = Repetitively stacking or lining up objects is a behavior sometimes associated with individuals with autism.
 | DiseasesDB = 1142
 | ICD10 = {{ICD10|F|84|0|f|80}}
 | ICD9 = 299.00
 | ICDO =
 | OMIM = 209850
 | MedlinePlus = 001526
 | eMedicineSubj = med
 | eMedicineTopic = 3202
 | eMedicine_mult = {{eMedicine2|ped|180}}
 | MeshID = D001321
 | GeneReviewsNBK = NBK1442
 | GeneReviewsName = Autism overview
}}
'''Autism''' is a [[Neurodevelopmental disorder|disorder of neural development]] characterized by impaired [[Interpersonal relationship|social interaction]] and [[verbal communication|verbal]] and [[non-verbal communication]], and by restricted, repetitive or [[stereotypy|stereotyped]] behavior. The diagnostic criteria require that symptoms become apparent before a child is three years old.&lt;ref name=DSM-IV-TR-299.00&gt;{{vcite book |author=American Psychiatric Association |title=Diagnostic and statistical manual of mental disorders: DSM-IV |chapter=Diagnostic criteria for 299.00 Autistic Disorder |publisher=American Psychiatric Association |edition=4 |location=Washington, DC |year=2000 |pages= |isbn=0-89042-025-4 |oclc=768475353 |url=http://cdc.gov/ncbddd/autism/hcp-dsm.html |accessdate=}}&lt;/ref&gt; Autism affects information processing in the [[Human brain|brain]] by altering how nerve cells and their [[synapse]]s connect and organize; how this occurs is not well understood.&lt;ref name=Levy/&gt; It is one of three recognized disorders in the [[autism spectrum]] (ASDs), the other two being [[Asperger syndrome]], which lacks delays in cognitive development and language, and [[PDD-NOS|pervasive developmental disorder, not otherwise specified]] (commonly abbreviated as PDD-NOS), which is diagnosed when the full set of criteria for autism or Asperger syndrome are not met.&lt;ref name=Johnson/&gt;

Autism has a strong genetic basis, although the [[Heritability of autism|genetics of autism]] are complex and it is unclear whether ASD is explained more by rare [[mutation]]s, or by rare combinations of common genetic variants.&lt;ref name=Abrahams/&gt; In rare cases, autism is strongly associated with [[Teratology|agents that cause birth defects]].&lt;ref name=Arndt/&gt; [[Controversies in autism|Controversies]] surround other proposed environmental [[Causes of autism|causes]], such as [[Heavy metal (chemistry)|heavy metals]], [[pesticide]]s or childhood [[vaccine]]s;&lt;ref name=Rutter/&gt; the vaccine hypotheses are biologically implausible and lack convincing scientific evidence.&lt;ref name=GerberOffit2009&gt;{{vcite journal |author= Gerber JS, Offit PA |title= Vaccines and autism: a tale of shifting hypotheses |journal= Clin Infect Dis |volume=48 |issue=4 |pages=456–61 |year=2009 |pmid=19128068 |pmc= 2908388 |doi=10.1086/596476 |url=http://cid.oxfordjournals.org/content/48/4/456.full}}&lt;/ref&gt; The [[prevalence]] of autism is about 1–2 per 1,000 people worldwide, and it occurs about four times more often in boys than girls.&lt;ref name=Newschaffer/&gt;  The [[Centers for Disease Control and Prevention]] (CDC) report 20 per 1,000 children in the United States are diagnosed with ASD {{as of|2012|lc=y}}, up from 11 per 1,000 in 2008.&lt;ref name=MMWR2012&gt;{{vcite journal |author= |title=Prevalence of autism spectrum disorders&amp;nbsp;— autism and developmental disabilities monitoring network, 14 sites, United States, 2008 |journal=MMWR Surveill Summ |volume=61 |issue=3 |pages=1–19 |year=2012 |month=March |pmid=22456193|url=http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6103a1.htm}}&lt;/ref&gt;&lt;ref name='NHSR65'&gt;{{vcite journal|author=Stephen J. Blumberg, Ph.D., et al.|title=Changes in Prevalence of Parent-reported Autism Spectrum Disorder in School-aged U.S. Children: 2007 to 2011–2012|journal=National Health Statistics Reports|issue=65|date=March 2013|url=http://www.cdc.gov/nchs/data/nhsr/nhsr065.pdf}}&lt;/ref&gt; The number of people diagnosed with autism has been increasing dramatically since the 1980s, partly due to changes in diagnostic practice and government-subsidized financial incentives for named diagnoses;&lt;ref name=NHSR65 /&gt; the question of whether actual prevalence has increased is unresolved.&lt;ref name=Newschaffer/&gt;

Parents usually notice signs in the first two years of their child's life.&lt;ref name=CCD/&gt; The signs usually develop gradually, but some autistic children first develop more normally and then [[Regressive autism|regress]].&lt;ref name=Stefanatos/&gt; [[Early intensive behavior intervention|Early behavioral]], cognitive, or speech interventions can help autistic children gain self-care, social, and communication skills.&lt;ref name=CCD/&gt; Although there is no known cure,&lt;ref name=CCD/&gt; there have been reported cases of children who recovered.&lt;ref name=Helt/&gt; Not many children with autism live independently after reaching adulthood, though some become successful.&lt;ref name=Howlin/&gt; An [[Sociological and cultural aspects of autism|autistic culture]] has developed, with some individuals seeking a cure and others believing autism should be [[Autism rights movement|accepted as a difference and not treated as a disorder]].&lt;ref name=Silverman/&gt;

==Characteristics==
Autism is a highly variable [[neurodevelopmental disorder]]&lt;ref name=Geschwind/&gt; that first appears during infancy or childhood, and generally follows a steady course without [[Remission (medicine)|remission]].&lt;ref name=ICD-10-F84.0/&gt; Overt symptoms gradually begin after the age of six months, become established by age two or three years,&lt;ref&gt;{{vcite journal |author=Rogers SJ |title=What are infant siblings teaching us about autism in infancy? |title.= |journal=Autism Res |volume=2 |issue=3 |pages=125–37 |year=2009 |pmid=19582867 |doi=10.1002/aur.81 |pmc=2791538 }}&lt;/ref&gt; and tend to continue through adulthood, although often in more muted form.&lt;ref name=Rapin/&gt; It is distinguished not by a single symptom, but by a characteristic triad of symptoms: impairments in social interaction; impairments in communication; and restricted interests and repetitive behavior. Other aspects, such as atypical eating, are also common but are not essential for diagnosis.&lt;ref name=Filipek/&gt; Autism's individual symptoms occur in the general population and appear not to associate highly, without a sharp line separating pathologically severe from common traits.&lt;ref name=London/&gt;

===Social development===
Social deficits distinguish autism and the related [[autism spectrum disorder]]s (ASD; see [[#Classification|Classification]]) from other developmental disorders.&lt;ref name=Rapin/&gt; People with autism have social impairments and often lack the intuition about others that many people take for granted. Noted autistic [[Temple Grandin]] described her inability to understand the [[social communication]] of [[neurotypical]]s, or people with normal [[neural development]], as leaving her feeling &quot;like an anthropologist on Mars&quot;.&lt;ref&gt;{{vcite book |title=[[An Anthropologist on Mars]]: Seven Paradoxical Tales |author=[[Oliver Sacks|Sacks O]] |publisher=Knopf |year=1995 |isbn=0-679-43785-1 }}&lt;/ref&gt;

Unusual social development becomes apparent early in childhood.&lt;!-- ref name=Volkmar/ --&gt; Autistic infants show less attention to social stimuli, smile and look at others less often, and respond less to their own name. Autistic toddlers differ more strikingly from [[social norms]]; for example, they have less [[eye contact]] and turn taking, and do not have the ability to use simple movements to express themselves, such as the deficiency to point at things.&lt;ref name=Volkmar/&gt; Three- to five-year-old autistic children are less likely to exhibit social understanding, approach others spontaneously, imitate and respond to emotions, communicate nonverbally, and take turns with others. However, they do form [[Attachment (psychology)|attachments]] to their primary caregivers.&lt;ref&gt;{{vcite journal |journal=Ment Retard Dev Disabil Res Rev |year=2004 |volume=10 |issue=4 |pages=221–33 |title=Early detection of core deficits in autism |author=Sigman M, Dijamco A, Gratier M, Rozga A |doi=10.1002/mrdd.20046 |pmid=15666338 }}&lt;/ref&gt; Most autistic children display moderately less [[Attachment in children#Secure attachment|attachment security]] than non-autistic children, although this difference disappears in children with higher mental development or less severe ASD.&lt;ref&gt;{{vcite journal |journal=J Child Psychol Psychiatry |year=2004 |volume=45 |issue=6 |pages=1123–34 |title=Autism and attachment: a meta-analytic review |author=Rutgers AH, Bakermans-Kranenburg MJ, van IJzendoorn MH, van Berckelaer-Onnes IA |doi=10.1111/j.1469-7610.2004.t01-1-00305.x |pmid=15257669 }}&lt;/ref&gt; Older children and adults with ASD [[Face perception#Face perception in individuals with autism|perform worse on tests of face and emotion recognition]].&lt;ref name=Sigman&gt;{{vcite journal |journal=Annu Rev Clin Psychol |year=2006 |volume=2 |pages=327–55 |title=Autism from developmental and neuropsychological perspectives |author=Sigman M, Spence SJ, Wang AT |doi=10.1146/annurev.clinpsy.2.022305.095210 |pmid=17716073 }}&lt;/ref&gt;

Children with high-functioning autism suffer from more intense and frequent loneliness compared to non-autistic peers, despite the common belief that children with autism prefer to be alone. Making and maintaining friendships often proves to be difficult for those with autism. For them, the quality of friendships, not the number of friends, predicts how lonely they feel. Functional friendships, such as those resulting in invitations to parties, may affect the quality of life more deeply.&lt;ref name=Burgess/&gt;

There are many anecdotal reports, but few systematic studies, of aggression and violence in individuals with ASD. The limited data suggest that, in children with intellectual disability, autism is associated with aggression, destruction of property, and [[tantrum]]s. A 2007 study interviewed parents of 67 children with ASD and reported that about two-thirds of the children had periods of severe tantrums and about one-third had a history of aggression, with tantrums significantly more common than in non-autistic children with language impairments.&lt;ref name=Dominick/&gt; A 2008 Swedish study found that, of individuals aged 15 or older discharged from hospital with a diagnosis of ASD, those who committed violent crimes were significantly more likely to have other psychopathological conditions such as [[psychosis]].&lt;ref&gt;{{vcite journal |journal=J Interpers Violence |year=2008 |title=Risk factors for violent offending in autism spectrum disorder: a national study of hospitalized individuals |author=Långström N, Grann M, Ruchkin V, Sjöstedt G, Fazel S |volume=24 |issue=8 |pages=1358–70 |doi=10.1177/0886260508322195 |pmid=18701743 }}&lt;/ref&gt;

===Communication===
About a third to a half of individuals with autism do not develop enough natural speech to meet their daily communication needs.&lt;ref&gt;{{vcite journal |journal=J Intellect Disabil Res |year=2006 |volume=50 |issue=9 |pages=621–32 |title=The ComFor: an instrument for the indication of augmentative communication in people with autism and intellectual disability |author=Noens I, van Berckelaer-Onnes I, Verpoorten R, van Duijn G |doi=10.1111/j.1365-2788.2006.00807.x |pmid=16901289 }}&lt;/ref&gt; Differences in communication may be present from the first year of life, and may include delayed onset of [[babbling]], unusual gestures, diminished responsiveness, and vocal patterns that are not synchronized with the caregiver. In the second and third years, autistic children have less frequent and less diverse babbling, consonants, words, and word combinations; their gestures are less often integrated with words. Autistic children are less likely to make requests or share experiences, and are more likely to simply repeat others' words ([[echolalia]])&lt;ref name=Landa/&gt;&lt;ref name=Tager-Flusberg/&gt; or [[Pronoun reversal|reverse pronouns]].&lt;ref name=Kanner1943/&gt; [[Joint attention]] seems to be necessary for functional speech, and deficits in joint attention seem to distinguish infants with ASD:&lt;ref name=Johnson&gt;{{vcite journal |journal=Pediatrics |year=2007 |volume=120 |issue=5 |pages=1183–215 |title=Identification and evaluation of children with autism spectrum disorders |author=Johnson CP, Myers SM, Council on Children with Disabilities |doi=10.1542/peds.2007-2361 |pmid=17967920 |url=http://pediatrics.aappublications.org/cgi/content/full/120/5/1183}}&lt;/ref&gt; for example, they may look at a pointing hand instead of the pointed-at object,&lt;ref name=Volkmar/&gt;&lt;ref name=Tager-Flusberg/&gt; and they consistently fail to point at objects in order to comment on or share an experience.&lt;ref name=Johnson/&gt; Autistic children may have difficulty with imaginative play and with developing symbols into language.&lt;ref name=Landa&gt;{{vcite journal |journal=Ment Retard Dev Disabil Res Rev |year=2007 |volume=13 |issue=1 |pages=16–25 |title=Early communication development and intervention for children with autism |author=Landa R |doi=10.1002/mrdd.20134 |pmid=17326115 }}&lt;/ref&gt;&lt;ref name=Tager-Flusberg&gt;{{vcite journal |journal=Pediatr Clin North Am |year=2007 |volume=54 |issue=3 |pages=469–81 |title=Language disorders: autism and other pervasive developmental disorders |author=[[Helen Tager-Flusberg|Tager-Flusberg H]], Caronna E |doi=10.1016/j.pcl.2007.02.011 |pmid=17543905 }}&lt;/ref&gt;

In a pair of studies, high-functioning autistic children aged 8–15 performed equally well as, and adults better than, individually matched controls at basic language tasks involving vocabulary and spelling. Both autistic groups performed worse than controls at complex language tasks such as figurative language, comprehension and inference. As people are often sized up initially from their basic language skills, these studies suggest that people speaking to autistic individuals are more likely to overestimate what their audience comprehends.&lt;ref name=Williams/&gt;

===Repetitive behavior===
Autistic individuals display many forms of repetitive or restricted behavior, which the Repetitive Behavior Scale-Revised (RBS-R)&lt;ref name=Lam-Aman/&gt; categorizes as follows.

[[File:Autistic-sweetiepie-boy-with-ducksinarow.jpg|thumb|alt=Young boy asleep on a bed, facing the camera, with only the head visible and the body off-camera. On the bed behind the boy's head is a dozen or so toys carefully arranged in a line.|A young boy with autism who has arranged his toys in a row]]
* '''[[Stereotypy]]''' is repetitive movement, such as hand flapping, head rolling, or body rocking.
* '''[[Compulsive behavior]]''' is intended and appears to follow rules, such as arranging objects in stacks or lines.
* '''Sameness''' is resistance to change; for example, insisting that the furniture not be moved or refusing to be interrupted.
* '''[[Ritual#Psychology|Ritualistic behavior]]''' involves an unvarying pattern of daily activities, such as an unchanging menu or a dressing ritual. This is closely associated with sameness and an independent validation has suggested combining the two factors.&lt;ref name=Lam-Aman&gt;{{vcite journal |journal=J Autism Dev Disord |year=2007 |volume=37 |issue=5 |pages=855–66 |title=The Repetitive Behavior Scale-Revised: independent validation in individuals with autism spectrum disorders |author=Lam KSL, Aman MG |doi=10.1007/s10803-006-0213-z |pmid=17048092 }}&lt;/ref&gt;
* '''Restricted behavior''' is limited in focus, interest, or activity, such as preoccupation with a single television program, toy or game.
* '''[[Self-injury]]''' includes movements that injure or can injure the person, such as eye-poking, [[Dermatillomania|skin-picking]], hand-biting and head-banging.&lt;ref name=Johnson/&gt; A 2007 study reported that self-injury at some point affected about 30% of children with ASD.&lt;ref name=Dominick/&gt;
No single repetitive or self-injurious behavior seems to be specific to autism, but only autism appears to have an elevated pattern of occurrence and severity of these behaviors.&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2000 |volume=30 |issue=3 |pages=237–43 |title=Varieties of repetitive behavior in autism: comparisons to mental retardation |author=Bodfish JW, Symons FJ, Parker DE, Lewis MH |doi=10.1023/A:1005596502855 |pmid=11055459 }}&lt;/ref&gt;

===Other symptoms===
Autistic individuals may have symptoms that are independent of the diagnosis, but that can affect the individual or the family.&lt;ref name=Filipek&gt;{{vcite journal |author=Filipek PA, Accardo PJ, Baranek GT ''et al.'' |author.= |title=The screening and diagnosis of autistic spectrum disorders |journal=J Autism Dev Disord |year=1999 |volume=29 |issue=6 |pages=439–84 |doi=10.1023/A:1021943802493 |pmid=10638459 }} This paper represents a consensus of representatives from nine professional and four parent organizations in the US.&lt;/ref&gt;
An estimated 0.5% to 10% of individuals with ASD show unusual abilities, ranging from splinter skills such as the memorization of trivia to the extraordinarily rare talents of prodigious [[Savant syndrome|autistic savants]].&lt;ref&gt;{{vcite journal |author=Treffert DA |title=The savant syndrome: an extraordinary condition. A synopsis: past, present, future |journal=Philosophical Transactions of the Royal Society B |volume=364 |issue=1522 |pages=1351–7 |year=2009 |pmid=19528017 |doi=10.1098/rstb.2008.0326 |url=http://rstb.royalsocietypublishing.org/content/364/1522/1351.full |laysummary=https://www.wisconsinmedicalsociety.org/professional/savant-syndrome/savant-syndrome-overview/|laysource=Wisconsin Medical Society |pmc=2677584 }}&lt;/ref&gt; Many individuals with ASD show superior skills in perception and attention, relative to the general population.&lt;ref&gt;{{vcite journal |author=Plaisted Grant K, Davis G |title=Perception and apperception in autism: rejecting the inverse assumption |journal=Philosophical Transactions of the Royal Society B |volume=364 |issue=1522 |pages=1393–8 |year=2009 |pmid=19528022 |doi=10.1098/rstb.2009.0001 |pmc=2677593 |url=http://rstb.royalsocietypublishing.org/content/364/1522/1393.full }}&lt;/ref&gt;
[[Sensory system|Sensory]] abnormalities are found in over 90% of those with autism, and are considered core features by some,&lt;ref name=Geschwind-2009&gt;{{vcite journal |author=Geschwind DH |title=Advances in autism |journal=Annu Rev Med |volume=60 |pages=367–80 |year=2009 |pmid=19630577 |doi=10.1146/annurev.med.60.053107.121225 |pmc=3645857}}&lt;/ref&gt; although there is no good evidence that sensory symptoms differentiate autism from other developmental disorders.&lt;ref&gt;{{vcite journal |journal=J Child Psychol Psychiatry |year=2005 |volume=46 |issue=12 |pages=1255–68 |title=Annotation: what do we know about sensory dysfunction in autism? A critical review of the empirical evidence |author=Rogers SJ, Ozonoff S |doi=10.1111/j.1469-7610.2005.01431.x |pmid=16313426 }}&lt;/ref&gt; Differences are greater for under-responsivity (for example, walking into things) than for over-responsivity (for example, distress from loud noises) or for sensation seeking (for example, rhythmic movements).&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2009 |title=A meta-analysis of sensory modulation symptoms in individuals with autism spectrum disorders |author=Ben-Sasson A, Hen L, Fluss R, Cermak SA, Engel-Yeger B, Gal E |doi=10.1007/s10803-008-0593-3 |pmid=18512135 |volume=39 |issue=1 |pages=1–11 }}&lt;/ref&gt;
An estimated 60%–80% of autistic people have motor signs that include [[poor muscle tone]], [[Apraxia|poor motor planning]], and [[toe walking]];&lt;ref name=Geschwind-2009/&gt; deficits in motor coordination are pervasive across ASD and are greater in autism proper.&lt;ref&gt;{{vcite journal |author=Fournier KA, Hass CJ, Naik SK, Lodha N, Cauraugh JH |title=Motor coordination in autism spectrum disorders: a synthesis and meta-analysis |journal=J Autism Dev Disord |volume= |issue= |pages= |year=2010 |pmid=20195737 |doi=10.1007/s10803-010-0981-3 }}&lt;/ref&gt;

Unusual eating behavior occurs in about three-quarters of children with ASD, to the extent that it was formerly a diagnostic indicator. Selectivity is the most common problem, although eating rituals and food refusal also occur;&lt;ref name=Dominick&gt;{{vcite journal |journal=Res Dev Disabil |year=2007 |volume=28 |issue=2 |pages=145–62 |title=Atypical behaviors in children with autism and children with a history of language impairment |author=Dominick KC, Davis NO, Lainhart J, Tager-Flusberg H, Folstein S |doi=10.1016/j.ridd.2006.02.003 |pmid=16581226 }}&lt;/ref&gt; this does not appear to result in [[malnutrition]]. Although some children with autism also have [[gastrointestinal]] (GI) symptoms, there is a lack of published rigorous data to support the theory that autistic children have more or different GI symptoms than usual;&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2005 |volume=35 |issue=6 |pages=713–27 |title=Gastrointestinal factors in autistic disorder: a critical review |author=Erickson CA, Stigler KA, Corkins MR, Posey DJ, Fitzgerald JF, McDougle CJ |doi=10.1007/s10803-005-0019-4 |pmid=16267642 }}&lt;/ref&gt; studies report conflicting results, and the relationship between GI problems and ASD is unclear.&lt;ref&gt;{{vcite journal |author=Buie T, Campbell DB, Fuchs GJ 3rd ''et al.'' |author.= |title=Evaluation, diagnosis, and treatment of gastrointestinal disorders in individuals with ASDs: a consensus report |journal=Pediatrics |volume=125 |issue=Suppl 1 |pages=S1–18 |year=2010 |pmid=20048083 |doi=10.1542/peds.2009-1878C |url=http://pediatrics.aappublications.org/cgi/content/full/125/Supplement_1/S1 }}&lt;/ref&gt;

Parents of children with ASD have higher levels of [[stress (psychological)|stress]].&lt;ref&gt;{{vcite journal |journal=Pediatrics |year=2007 |volume=119 |issue=5 |pages=e1040–6 |title=Psychological functioning and coping among mothers of children with autism: a population-based study |author=Montes G, Halterman JS |doi=10.1542/peds.2006-2819 |pmid=17473077 |url=http://pediatrics.aappublications.org/cgi/content/full/119/5/e1040 }}&lt;/ref&gt;{{Unreliable medical source|date=December 2013}} Siblings of children with ASD report greater admiration of and less conflict with the affected sibling than siblings of unaffected children and were similar to siblings of children with [[Down syndrome]] in these aspects of the sibling relationship. However, they reported lower levels of closeness and intimacy than siblings of children with [[Down syndrome]]; siblings of individuals with ASD have greater risk of negative well-being and poorer sibling relationships as adults.&lt;ref&gt;{{vcite journal |journal=Ment Retard Dev Disabil Res Rev |year=2007 |volume=13 |issue=4 |pages=313–20 |title=Siblings of individuals with autism spectrum disorders across the life course |author=Orsmond GI, Seltzer MM |doi=10.1002/mrdd.20171 |pmid=17979200 |url=http://www.waisman.wisc.edu/family/pubs/Autism/2007%20siblings_autism_life-course.pdf |format=PDF }}&lt;/ref&gt;

==Causes==
{{main|Causes of autism}}

It has long been presumed that there is a common cause at the genetic, cognitive, and neural levels for autism's characteristic triad of symptoms.&lt;ref name=Fractionable/&gt; However, there is increasing suspicion that autism is instead a complex disorder whose core aspects have distinct causes that often co-occur.&lt;ref name=Fractionable&gt;{{vcite journal |author=Happé F, Ronald A |title=The 'fractionable autism triad': a review of evidence from behavioural, genetic, cognitive and neural research |journal=[[Neuropsychol Rev]] |volume=18 |issue=4 |pages=287–304 |year=2008 |pmid=18956240 |doi=10.1007/s11065-008-9076-8 }}&lt;/ref&gt;&lt;ref name=HappeTime/&gt;

[[File:Single Chromosome Mutations.png|thumb|alt=Three diagrams of chromosome pairs A, B that are nearly identical. 1: B is missing a segment of A. 2: B has two adjacent copies of a segment of A. 3: B's copy of A's segment is in reverse order.|Deletion (1), duplication (2) and inversion (3) are all [[chromosome abnormalities]] that have been implicated in autism.&lt;ref name=Beaudet/&gt;]]
Autism has a strong genetic basis, although the [[Heritability of autism|genetics of autism]] are complex and it is unclear whether ASD is explained more by rare [[mutation]]s with major effects, or by rare multigene interactions of common genetic variants.&lt;ref name=Abrahams&gt;{{vcite journal |journal=[[Nature Reviews Genetics]] |year=2008 |volume=9 |issue=5 |pages=341–55 |title=Advances in autism genetics: on the threshold of a new neurobiology |author=Abrahams BS, Geschwind DH |doi=10.1038/nrg2346 |pmid=18414403 |pmc=2756414 }}&lt;/ref&gt;&lt;ref&gt;{{vcite journal |author=Buxbaum JD |title=Multiple rare variants in the etiology of autism spectrum disorders |journal=Dialogues Clin Neurosci |year=2009 |volume=11 |issue=1 |pages=35–43 |pmid=19432386 |pmc=3181906/ }}&lt;/ref&gt; Complexity arises due to interactions among multiple genes, the environment, and [[epigenetic]] factors which do not change [[DNA]] but are heritable and influence [[gene expression]].&lt;ref name=Rapin&gt;{{vcite journal |author=[[Isabelle Rapin|Rapin I]], Tuchman RF |title=Autism: definition, neurobiology, screening, diagnosis |journal=[[Pediatr Clin North Am]] |volume=55 |issue=5 |pages=1129–46 |year=2008 |pmid=18929056 |doi=10.1016/j.pcl.2008.07.005 }}&lt;/ref&gt; Studies of twins suggest that [[heritability]] is 0.7 for autism and as high as 0.9 for ASD, and siblings of those with autism are about 25 times more likely to be autistic than the general population.&lt;ref name=Geschwind-2009/&gt; However, most of the mutations that increase autism risk have not been identified. Typically, autism cannot be traced to a [[Mendelian]] (single-gene) mutation or to a single [[chromosome abnormality]], and none of the genetic syndromes associated with ASDs have been shown to selectively cause ASD.&lt;ref name=Abrahams/&gt; Numerous candidate genes have been located, with only small effects attributable to any particular gene.&lt;ref name=Abrahams/&gt; The large number of autistic individuals with unaffected family members may result from [[copy number variation]]s—spontaneous [[Deletion (genetics)|deletions]] or [[Gene duplication|duplications]] in genetic material during [[meiosis]].&lt;ref&gt;{{vcite journal |author=Cook EH, Scherer SW |title=Copy-number variations associated with neuropsychiatric conditions |journal=Nature |volume=455 |issue=7215 |pages=919–23 |year=2008 |pmid=18923514 |doi=10.1038/nature07458 }}&lt;/ref&gt; Hence, a substantial fraction of autism cases may be traceable to genetic causes that are highly heritable but not inherited: that is, the mutation that causes the autism is not present in the parental genome.&lt;ref name=Beaudet&gt;{{vcite journal |author=Beaudet AL |title=Autism: highly heritable but not inherited |journal=Nat Med |year=2007 |volume=13 |issue=5 |pages=534–6 |pmid=17479094 |doi=10.1038/nm0507-534 }}&lt;/ref&gt;

Several lines of evidence point to [[Synapse|synaptic]] dysfunction as a cause of autism.&lt;ref name=Levy/&gt; Some rare mutations may lead to autism by disrupting some synaptic pathways, such as those involved with [[cell adhesion]].&lt;ref name=Betancur&gt;{{vcite journal |author=Betancur C, Sakurai T, Buxbaum JD |title=The emerging role of synaptic cell-adhesion pathways in the pathogenesis of autism spectrum disorders |journal=[[Trends Neurosci]] |volume=32 |issue=7 |pages=402–12 |year=2009 |pmid=19541375 |doi=10.1016/j.tins.2009.04.003 }}&lt;/ref&gt; Gene replacement studies in mice suggest that autistic symptoms are closely related to later developmental steps that depend on activity in synapses and on activity-dependent changes.&lt;ref name=Walsh&gt;{{vcite journal |author=Walsh CA, Morrow EM, Rubenstein JL |title=Autism and brain development |journal=[[Cell (journal)|Cell]] |volume=135 |issue=3 |pages=396–400 |year=2008 |pmid=18984148 |doi=10.1016/j.cell.2008.10.015 |pmc=2701104 }}&lt;/ref&gt; All known [[teratogen]]s (agents that cause [[birth defect]]s) related to the risk of autism appear to act during the first eight weeks from [[Human fertilization|conception]], and though this does not exclude the possibility that autism can be initiated or affected later, it is strong evidence that autism arises very early in development.&lt;ref name=Arndt&gt;{{vcite journal |journal=[[Int J Dev Neurosci]] |year=2005 |volume=23 |issue=2–3 |pages=189–99 |title=The teratology of autism |author=Arndt TL, Stodgell CJ, Rodier PM |doi=10.1016/j.ijdevneu.2004.11.001 |pmid=15749245 }}&lt;/ref&gt;

Although evidence for other environmental causes is anecdotal and has not been confirmed by reliable studies,&lt;ref name=Rutter/&gt; extensive searches are underway.&lt;ref name=Szpir&gt;{{vcite journal |journal=[[Environ Health Perspect]] |year=2006 |volume=114 |issue=7 |pages=A412–8 |title=Tracing the origins of autism: a spectrum of new studies |author=Szpir M |pmid=16835042 |pmc=1513312 |doi=10.1289/ehp.114-a412}}&lt;/ref&gt; [[Environmental factor]]s that have been claimed to contribute to or exacerbate autism, or may be important in future research, include certain foods, [[infectious disease]], [[heavy metals]], [[solvent]]s, [[diesel exhaust]], [[PCBs]], [[phthalates]] and [[phenol]]s used in plastic products, [[pesticide]]s, [[brominated flame retardant]]s, [[Ethanol|alcohol]], smoking, [[illicit drug]]s, [[vaccine]]s,&lt;ref name=Newschaffer/&gt; and [[prenatal stress]],&lt;ref&gt;{{vcite journal |journal=[[Neurosci Biobehav Rev]] |year=2008 |title=Prenatal stress and risk for autism |author=Kinney DK, Munir KM, Crowley DJ, Miller AM |doi=10.1016/j.neubiorev.2008.06.004 |pmid=18598714 |volume=32 |issue=8 |pages=1519–32 |pmc=2632594 }}&lt;/ref&gt; although no links have been found, and some have been completely disproven.

Parents may first become aware of autistic symptoms in their child around the time of a routine vaccination. This has led to unsupported theories blaming [[Vaccine controversy#Vaccine overload|vaccine &quot;overload&quot;]], a [[Thiomersal controversy|vaccine preservative]], or the [[MMR vaccine controversy|MMR vaccine]] for causing autism.&lt;ref name=GerberOffit2009/&gt; The latter theory was supported by a litigation-funded study that has since been shown to have been &quot;an elaborate fraud&quot;.&lt;ref name=WakefieldarticleBMJ&gt;{{vcite journal |year= 2011 |pages= c7452 |volume= 342:c7452 |title= Wakefield's article linking MMR vaccine and autism was fraudulent |author= Godlee F, Smith J, Marcovitch H |journal = [[BMJ]] |url=http://www.bmj.com/content/342/bmj.c7452.full |doi = 10.1136/bmj.c7452 |pmid=21209060}}&lt;/ref&gt; Although these theories lack convincing scientific evidence and are biologically implausible,&lt;ref name=GerberOffit2009/&gt; parental concern about a potential vaccine link with autism has led to lower rates of [[childhood immunizations]], [[MMR vaccine controversy#Disease outbreaks|outbreaks of previously controlled childhood diseases]] in some countries, and the preventable deaths of several children.&lt;ref name=vaccines&gt;Vaccines and autism:
* {{vcite journal |journal=[[Can J Neurol Sci]] |year=2006 |volume=33 |issue=4 |pages=341–6 |title=Immunizations and autism: a review of the literature |author=Doja A, Roberts W |pmid=17168158 }}
* {{vcite journal |author=Gerber JS, [[Paul Offit|Offit PA]] |title=Vaccines and autism: a tale of shifting hypotheses |journal=[[Clin Infect Dis]] |volume=48 |issue=4 |pages=456–61 |year=2009 |pmid=19128068 |pmc= 2908388 |url=http://cid.oxfordjournals.org/content/48/4/456.full|doi=10.1086/596476 }}
* {{vcite journal |author=Gross L |title=A broken trust: lessons from the vaccine–autism wars |journal=PLoS Biol |volume=7 |issue=5 |pages=e1000114 |year=2009 |pmid=19478850 |doi=10.1371/journal.pbio.1000114 |pmc=2682483 }}
* {{vcite journal |author=Paul R |title=Parents ask: am I risking autism if I vaccinate my children? |journal=[[J Autism Dev Disord]] |volume=39 |issue=6 |pages=962–3 |year=2009 |pmid=19363650 |doi=10.1007/s10803-009-0739-y }}
* {{vcite journal |author= Poland GA, Jacobson RM |title= The Age-Old Struggle against the Antivaccinationists |journal= N Engl J Med |volume= 364 |pages= 97–9 |date= 13 January 2011 |url= http://www.nejm.org/doi/full/10.1056/NEJMp1010594 | doi=10.1056/NEJMp1010594 | pmid=21226573}}&lt;/ref&gt;&lt;ref name=dublin&gt;{{vcite journal |author=McBrien J, Murphy J, Gill D, Cronin M, O'Donovan C, Cafferkey MT |title=Measles outbreak in Dublin, 2000 |journal=Pediatr. Infect. Dis. J. |volume=22 |issue=7 |pages=580–4 |year=2003 |month=July |pmid=12867830 |doi=10.1097/00006454-200307000-00002}}&lt;/ref&gt;

==Mechanism==
Autism's symptoms result from maturation-related changes in various systems of the brain.&lt;!-- ref name=Penn/ --&gt; How autism occurs is not well understood. Its mechanism can be divided into two areas: the [[pathophysiology]] of brain structures and processes associated with autism, and the [[neuropsychological]] linkages between brain structures and behaviors.&lt;ref name=Penn&gt;{{vcite journal |author=Penn HE |title=Neurobiological correlates of autism: a review of recent research |journal=Child Neuropsychol |year=2006 |volume=12 |issue=1 |pages=57–79 |doi=10.1080/09297040500253546 |pmid=16484102 }}&lt;/ref&gt; The behaviors appear to have multiple pathophysiologies.&lt;ref name=London/&gt;

===Pathophysiology===
[[File:Autismbrain.jpg|thumb|alt=Two diagrams of major brain structures implicated in autism. The upper diagram shows the cerebral cortex near the top and the basal ganglia in the center, just above the amygdala and hippocampus. The lower diagram shows the corpus callosum near the center, the cerebellum in the lower rear, and the brain stem in the lower center.|Autism affects the [[amygdala]], [[cerebellum]], and many other parts of the brain.&lt;ref name=Amaral/&gt;]]
Unlike many other brain disorders, such as [[Parkinson's]], autism does not have a clear unifying mechanism at either the molecular, cellular, or systems level; it is not known whether autism is a few disorders caused by mutations converging on a few common molecular pathways, or is (like intellectual disability) a large set of disorders with diverse mechanisms.&lt;ref name=Geschwind&gt;{{vcite journal |author=Geschwind DH |title=Autism: many genes, common pathways? |title.= |journal=Cell |volume=135 |issue=3 |pages=391–5 |year=2008 |pmid=18984147 |doi=10.1016/j.cell.2008.10.016 |pmc=2756410 }}&lt;/ref&gt; Autism appears to result from developmental factors that affect many or all functional brain systems,&lt;ref&gt;{{vcite journal |journal=Ment Retard Dev Disabil Res Rev |year=2007 |volume=13 |issue=1 |pages=85–95 |title=The study of autism as a distributed disorder |author=Müller RA |doi=10.1002/mrdd.20141 |pmid=17326118 |pmc=3315379}}&lt;/ref&gt; and to disturb the timing of brain development more than the final product.&lt;ref name=Amaral&gt;{{vcite journal |journal=Trends Neurosci |year=2008 |volume=31 |issue=3 |pages=137–45 |title=Neuroanatomy of autism |author=[[David Amaral|Amaral DG]], Schumann CM, Nordahl CW |doi=10.1016/j.tins.2007.12.005 |pmid=18258309 }}&lt;/ref&gt; [[Neuroanatomical]] studies and the associations with [[teratogens]] strongly suggest that autism's mechanism includes alteration of brain development soon after conception.&lt;ref name=Arndt/&gt; This anomaly appears to start a cascade of pathological events in the brain that are significantly influenced by environmental factors.&lt;ref&gt;{{vcite journal |journal=Brain Pathol |year=2007 |volume=17 |issue=4 |pages=422–33 |title=The neuropathology of autism |author=Casanova MF |doi=10.1111/j.1750-3639.2007.00100.x |pmid=17919128 }}&lt;/ref&gt; Just after birth, the brains of autistic children tend to grow faster than usual, followed by normal or relatively slower growth in childhood. It is not known whether early overgrowth occurs in all autistic children. It seems to be most prominent in brain areas underlying the development of higher cognitive specialization.&lt;ref name=Geschwind-2009/&gt; Hypotheses for the cellular and molecular bases of pathological early overgrowth include the following:
* An excess of [[neuron]]s that causes local overconnectivity in key brain regions.&lt;ref&gt;{{vcite journal |journal=Neuron |year=2007 |volume=56 |issue=2 |pages=399–413 |title=Mapping early brain development in autism |author=Courchesne E, Pierce K, Schumann CM ''et al.'' |author.= |doi=10.1016/j.neuron.2007.10.016 |pmid=17964254 }}&lt;/ref&gt;
* Disturbed [[neuronal migration]] during early [[gestation]].&lt;ref name=Schmitz/&gt;&lt;ref name=Persico&gt;{{vcite journal |author=Persico AM, Bourgeron T |title=Searching for ways out of the autism maze: genetic, epigenetic and environmental clues |journal=Trends Neurosci |volume=29 |issue=7 |pages=349–58 |year=2006 |pmid=16808981 |doi=10.1016/j.tins.2006.05.010 }}&lt;/ref&gt;
* Unbalanced excitatory–inhibitory networks.&lt;ref name=Persico/&gt;
* Abnormal formation of [[synapse]]s and [[dendritic spine]]s,&lt;ref name=Persico/&gt; for example, by modulation of the [[neurexin]]–[[neuroligin]] [[Cell adhesion|cell-adhesion]] system,&lt;ref&gt;{{vcite journal |author=Südhof TC |title=Neuroligins and neurexins link synaptic function to cognitive disease |journal=Nature |volume=455 |issue=7215 |pages=903–11 |year=2008 |pmid=18923512 |doi=10.1038/nature07456 |pmc=2673233 }}&lt;/ref&gt; or by poorly regulated [[Protein synthesis|synthesis]] of synaptic proteins.&lt;ref&gt;{{vcite journal |author=Kelleher RJ 3rd, Bear MF |title=The autistic neuron: troubled translation? |title.= |journal=Cell |volume=135 |issue=3 |pages=401–6 |year=2008 |pmid=18984149 |doi=10.1016/j.cell.2008.10.017 }}&lt;/ref&gt;&lt;ref&gt;{{vcite journal |author=Bear MF, Dölen G, Osterweil E, Nagarajan N |title=Fragile X: translation in action. |title.= |journal=Neuropsychopharmacology |volume=33 |issue=1 |pages=84–7 |year=2008 |pmid=17940551 |doi=10.1038/sj.npp.1301610 }}&lt;/ref&gt; Disrupted synaptic development may also contribute to [[epilepsy]], which may explain why the two conditions are associated.&lt;ref&gt;{{vcite journal |author=Tuchman R, Moshé SL, [[Isabelle Rapin|Rapin I]] |title=Convulsing toward the pathophysiology of autism |journal=Brain Dev |volume=31 |issue=2 |pages=95–103 |year=2009 |pmid=19006654 |doi=10.1016/j.braindev.2008.09.009 |pmc=2734903 }}&lt;/ref&gt;

Interactions between the [[immune system]] and the [[nervous system]] begin early during the [[Human embryogenesis|embryonic stage]] of life, and successful neurodevelopment depends on a balanced immune response. Aberrant immune activity during critical periods of neurodevelopment is possibly part of the mechanism of some forms of ASD.&lt;ref name=Chaste&gt;{{vcite journal |author= Chaste P, Leboyer M |title= Autism risk factors: genes, environment, and gene-environment interactions |journal= Dialogues Clin Neurosci |year= 2012 |volume= 14 |issue= 3 |pages= 281–92 |pmid= 23226953 
|pmc=3513682}}&lt;/ref&gt;&lt;ref&gt;{{vcite journal |journal=J Leukoc Biol |year=2006 |volume=80 |issue=1 |pages=1–15 |title=The immune response in autism: a new frontier for autism research |author=[[Paul Ashwood|Ashwood P]], Wills S, Van de Water J |doi=10.1189/jlb.1205707 |pmid=16698940 |url=http://www.jleukbio.org/cgi/content/full/80/1/1 }}&lt;/ref&gt; Although some abnormalities in the immune system have been found in specific subgroups of autistic individuals, it is not known whether these abnormalities are relevant to or secondary to autism's processes.&lt;ref&gt;{{vcite journal |journal=Res Autism Spectr Disord |volume=3 |issue=4 |year=2009 |pages=840–60 |doi=10.1016/j.rasd.2009.01.007 |author=Stigler KA, Sweeten TL, Posey DJ, McDougle CJ |title=Autism and immune factors: a comprehensive review }}&lt;/ref&gt; As [[autoantibodies]] are found in conditions other than ASD, and are not always present in ASD,&lt;ref&gt;{{vcite journal |journal=Annals of the New York Academy of Sciences |year=2007 |volume=1107 |pages=79–91 |title=Autoantibodies in autism spectrum disorders (ASD) |author=Wills S, Cabanlit M, Bennett J, [[Paul Ashwood|Ashwood P]], Amaral D, Van de Water J |doi=10.1196/annals.1381.009 |pmid=17804535 }}&lt;/ref&gt; the relationship between immune disturbances and autism remains unclear and controversial.&lt;ref name=Schmitz&gt;{{vcite journal |journal=Neuropathol Appl Neurobiol |year=2008 |volume=34 |issue=1 |pages=4–11 |title=The neuropathology of autism: where do we stand? |title.= |author=Schmitz C, Rezaie P |doi=10.1111/j.1365-2990.2007.00872.x |pmid=17971078 }}&lt;/ref&gt;&lt;ref&gt;{{vcite journal |author=Gesundheit B, Rosenzweig JP, Naor D, ''et al.'' |title=Immunological and autoimmune considerations of Autism Spectrum Disorders |journal=J. Autoimmun. |volume= |issue= |pages= |year=2013 |month=July |pmid=23867105 |doi=10.1016/j.jaut.2013.05.005 }}&lt;/ref&gt;

The relationship of [[neurochemical]]s to autism is not well understood; several have been investigated, with the most evidence for the role of [[serotonin]] and of genetic differences in its transport.&lt;ref name=Levy&gt;{{vcite journal |author=Levy SE, Mandell DS, Schultz RT |title=Autism |journal=Lancet |volume=374 |issue=9701 |pages=1627–38 |year=2009 |pmid=19819542 |doi=10.1016/S0140-6736(09)61376-3 |pmc=2863325}}&lt;/ref&gt; The role of group I [[metabotropic glutamate receptors]] (mGluR) in the pathogenesis of [[fragile X syndrome]], the most common identified genetic cause of autism, has led to interest in the possible implications for future autism research into this pathway.&lt;ref name=&quot;pmid18093519&quot;&gt;{{vcite journal |author = Dölen G, Osterweil E, Rao BS, Smith GB, Auerbach BD, Chattarji S, Bear MF | title = Correction of fragile X syndrome in mice | journal = Neuron | volume = 56 | issue = 6 | pages = 955–62| year = 2007 | pmid = 18093519 | doi = 10.1016/j.neuron.2007.12.001 | pmc=2199268}}&lt;/ref&gt; Some data suggests neuronal overgrowth potentially related to  an increase in several [[growth hormone]]s &lt;ref&gt;{{vcite journal |author=Hughes JR |title=Update on autism: A review of 1300 reports published in 2008 |journal=Epilepsy Behav |volume=16 |issue=4 |pages=569-589 |year=2009 |pmid=19896907 |doi=10.1016/j.yebeh.2009.09.023 }}&lt;/ref&gt; or to impaired regulation of [[growth factor receptor]]s. Also, some [[inborn errors of metabolism]] are associated with autism, but probably account for less than 5% of cases.&lt;ref name=Manzi/&gt;

The [[mirror neuron system]] (MNS) theory of autism hypothesizes that distortion in the development of the MNS interferes with imitation and leads to autism's core features of social impairment and communication difficulties. The MNS operates when an animal performs an action or observes another animal perform the same action. The MNS may contribute to an individual's understanding of other people by enabling the modeling of their behavior via embodied simulation of their actions, intentions, and emotions.&lt;ref&gt;MNS and autism:
* {{vcite journal |journal=Autism Res |year=2008 |volume=1 |issue=2 |pages=73–90 |title=Self–other relations in social development and autism: multiple roles for mirror neurons and other brain bases |author=Williams JHG |doi=10.1002/aur.15 |pmid=19360654 }}
* {{vcite journal |journal=Curr Biol |year=2008 |volume=18 |issue=1 |pages=R13–8 |title=A mirror up to nature |author=Dinstein I, Thomas C, Behrmann M, Heeger DJ |doi=10.1016/j.cub.2007.11.004 |pmid=18177704 |pmc=2517574 }}&lt;/ref&gt; Several studies have tested this hypothesis by demonstrating structural abnormalities in MNS regions of individuals with ASD, delay in the activation in the core circuit for imitation in individuals with Asperger syndrome, and a correlation between reduced MNS activity and severity of the syndrome in children with ASD.&lt;ref name=Iacoboni&gt;{{vcite journal |journal=Nature Reviews Neuroscience |year=2006 |volume=7 |issue=12 |pages=942–51 |title=The mirror neuron system and the consequences of its dysfunction |author=Iacoboni M, Dapretto M |doi=10.1038/nrn2024 |pmid=17115076 }}&lt;/ref&gt; However, individuals with autism also have abnormal brain activation in many circuits outside the MNS&lt;ref&gt;{{vcite journal |author=[[Uta Frith|Frith U]], Frith CD |year=2003 |title=Development and neurophysiology of mentalizing |journal=Philosophical Transactions of the Royal Society B |volume=358 |issue=1431 |pages=459–73 |doi=10.1098/rstb.2002.1218 |pmid=12689373 |pmc=1693139 |url=http://rstb.royalsocietypublishing.org/content/358/1431/459.full.pdf |format=PDF }}&lt;/ref&gt; and the MNS theory does not explain the normal performance of autistic children on imitation tasks that involve a goal or object.&lt;ref&gt;{{vcite journal |journal=Q J Exp Psychol |year=2008 |volume=61 |issue=1 |pages=101–15 |title=Emulation and mimicry for social interaction: a theoretical approach to imitation in autism |author=Hamilton AFdC |doi=10.1080/17470210701508798 |pmid=18038342 |first2=&lt;!-- Work around Citation bot bug. --&gt; |last2=&lt;!-- Work around Citation bot bug. --&gt; }}&lt;/ref&gt;

[[File:Powell2004Fig1A.jpeg|thumb|upright|alt=A human brain viewed from above. About 10% is highlighted in yellow and 10% in blue. There is only a tiny (perhaps 0.5%) green region where they overlap.|Autistic individuals tend to use different areas of the brain (yellow) for a movement task compared to a control group (blue).&lt;ref name=Powell&gt;{{vcite journal |author=Powell K |title=Opening a window to the autistic brain |journal=PLoS Biol |volume=2 |issue=8 |pages=E267 |year=2004 |pmid=15314667 |pmc=509312 |doi=10.1371/journal.pbio.0020267 |url=http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.0020267 }}&lt;/ref&gt;]]
ASD-related patterns of low function and aberrant activation in the brain differ depending on whether the brain is doing social or nonsocial tasks.&lt;ref&gt;{{vcite journal |journal=Biol Psychiatry |year=2009 |volume=65 |issue=1 |pages=63–74 |doi=10.1016/j.biopsych.2008.09.022 |pmid=18996505 |author=Di Martino A, Ross K, Uddin LQ, Sklar AB, Castellanos FX, Milham MP |title=Functional brain correlates of social and nonsocial processes in autism spectrum disorders: an activation likelihood estimation meta-analysis }}&lt;/ref&gt;
In autism there is evidence for reduced functional connectivity of the [[default network]], a large-scale brain network involved in social and emotional processing, with intact connectivity of the [[task-positive network]], used in sustained attention and goal-directed thinking. In people with autism the two networks are not negatively correlated in time, suggesting an imbalance in toggling between the two networks, possibly reflecting a disturbance of [[self-referential]] thought.&lt;ref&gt;{{vcite journal |author=Broyd SJ, Demanuele C, Debener S, Helps SK, James CJ, Sonuga-Barke EJS |title=Default-mode brain dysfunction in mental disorders: a systematic review |journal=Neurosci Biobehav Rev |year=2009 |volume=33 |issue=3 |pages=279–96 |pmid=18824195 |doi=10.1016/j.neubiorev.2008.09.002 }}&lt;/ref&gt; A 2008 brain-imaging study found a specific pattern of signals in the [[cingulate cortex]] which differs in individuals with ASD.&lt;ref&gt;{{vcite journal |journal=Neuron |year=2008 |volume=57 |issue=3 |pages=463–73 |title=Self responses along cingulate cortex reveal quantitative neural phenotype for high-functioning autism |author=Chiu PH, Kayali MA, Kishida KT ''et al.'' |author.= |doi=10.1016/j.neuron.2007.12.020 |pmid=18255038 |laysummary=http://www.technologyreview.com/Biotech/20167/ |laysource=Technol Rev |laydate=2007-02-07 }}&lt;/ref&gt;

The underconnectivity theory of autism hypothesizes that autism is marked by underfunctioning high-level neural connections and synchronization, along with an excess of low-level processes.&lt;ref&gt;{{vcite journal |journal=Cereb Cortex |year=2007 |volume=17 |issue=4 |pages=951–61 |title=Functional and anatomical cortical underconnectivity in autism: evidence from an FMRI study of an executive function task and corpus callosum morphometry |author=Just MA, Cherkassky VL, Keller TA, Kana RK, Minshew NJ |doi=10.1093/cercor/bhl006 |pmid=16772313 |url=http://cercor.oxfordjournals.org/cgi/content/full/17/4/951 }}&lt;/ref&gt; Evidence for this theory has been found in [[functional neuroimaging]] studies on autistic individuals&lt;ref name=Williams&gt;{{vcite journal |author=Williams DL, Goldstein G, Minshew NJ |title=Neuropsychologic functioning in children with autism: further evidence for disordered complex information-processing |journal=Child Neuropsychol |volume=12 |issue=4–5 |pages=279–98 |year=2006 |pmid=16911973 |doi=10.1080/09297040600681190 |pmc=1803025 }}&lt;/ref&gt; and by a [[Electroencephalography|brainwave]] study that suggested that adults with ASD have local overconnectivity in the [[Cerebral cortex|cortex]] and weak functional connections between the [[frontal lobe]] and the rest of the cortex.&lt;ref&gt;{{vcite journal |author=Murias M, Webb SJ, Greenson J, Dawson G |title=Resting state cortical connectivity reflected in EEG coherence in individuals with autism |journal=Biol Psychiatry |volume=62 |issue=3 |pages=270–3 |year=2007 |pmid=17336944 |doi=10.1016/j.biopsych.2006.11.012 |pmc=2001237 }}&lt;/ref&gt; Other evidence suggests the underconnectivity is mainly within each [[Cerebral hemisphere|hemisphere]] of the cortex and that autism is a disorder of the [[Association areas|association cortex]].&lt;ref&gt;{{vcite journal |journal=Arch Neurol |year=2007 |volume=64 |issue=7 |pages=945–50 |title=The new neurobiology of autism: cortex, connectivity, and neuronal organization |author=Minshew NJ, Williams DL |pmid=17620483 |doi=10.1001/archneur.64.7.945 |pmc=2597785 }}&lt;/ref&gt;

From studies based on [[event-related potential]]s, transient changes to the brain's electrical activity in response to stimuli, there is considerable evidence for differences in autistic individuals with respect to attention, orientiation to auditory and visual stimuli, novelty detection, language and face processing, and information storage; several studies have found a preference for nonsocial stimuli.&lt;ref&gt;{{vcite journal |author=Jeste SS, Nelson CA 3rd |title=Event related potentials in the understanding of autism spectrum disorders: an analytical review |journal=J Autism Dev Disord |volume=39 |issue=3 |pages=495–510 |year=2009 |pmid=18850262 |doi=10.1007/s10803-008-0652-9 }}&lt;/ref&gt; For example, [[magnetoencephalography]] studies have found evidence in autistic children of delayed responses in the brain's processing of auditory signals.&lt;ref&gt;{{vcite journal |author=Roberts TP, Schmidt GL, Egeth M ''et al.'' |author.= |title=Electrophysiological signatures: magnetoencephalographic studies of the neural correlates of language impairment in autism spectrum disorders |journal=Int J Psychophysiol |volume=68 |issue=2 |pages=149–60 |year=2008 |pmid=18336941 |doi=10.1016/j.ijpsycho.2008.01.012 |pmc=2397446 }}&lt;/ref&gt;

In the genetic area, relations have been found between autism and [[schizophrenia]] based on duplications and deletions of chromosomes; research showed that schizophrenia and autism are significantly more common in combination with [[1q21.1 deletion syndrome]]. Research on autism/schizophrenia relations for chromosome 15 (15q13.3), chromosome 16 (16p13.1) and chromosome 17 (17p12) are inconclusive.&lt;ref&gt;{{vcite journal |author=Crespi B, Stead P, Elliot M |title=Evolution in health and medicine Sackler colloquium: Comparative genomics of autism and schizophrenia |journal=Proceedings of the National Academy of Sciences of the United States of America |volume=107 | issue= Suppl 1 |pages=1736–41 |year=2010 |month=January |pmid=19955444 |pmc=2868282 |doi=10.1073/pnas.0906080106}}&lt;/ref&gt;

===Neuropsychology===
Two major categories of [[cognitive]] theories have been proposed about the links between autistic brains and behavior.

The first category focuses on deficits in [[social cognition]]. [[Simon Baron-Cohen]]'s [[empathizing–systemizing theory]] postulates that autistic individuals can systemize—that is, they can develop internal rules of operation to handle events inside the brain—but are less effective at empathizing by handling events generated by other agents. An extension, the extreme male brain theory, hypothesizes that autism is an extreme case of the male brain, defined psychometrically as individuals in whom systemizing is better than empathizing.&lt;ref name=E-S-theory/&gt;  These theories are somewhat related to Baron-Cohen's earlier [[theory of mind]] approach, which hypothesizes that autistic behavior arises from an inability to ascribe mental states to oneself and others. The theory of mind hypothesis is supported by autistic children's atypical responses to the [[Sally–Anne test]] for reasoning about others' motivations,&lt;ref name=E-S-theory&gt;{{vcite journal |author=Baron-Cohen S |title=Autism: the empathizing–systemizing (E-S) theory |journal=Annals of the New York Academy of Sciences |volume=1156 |pages=68–80 |year=2009 |pmid=19338503 |doi=10.1111/j.1749-6632.2009.04467.x |url=http://docs.autismresearchcentre.com/papers/2009_BC_nyas.pdf |format=PDF}}&lt;/ref&gt; and the mirror neuron system theory of autism described in ''[[#Pathophysiology|Pathophysiology]]'' maps well to the hypothesis.&lt;ref name=Iacoboni/&gt; However, most studies have found no evidence of impairment in autistic individuals' ability to understand other people's basic intentions or goals; instead, data suggests that impairments are found in understanding more complex social emotions or in considering others' viewpoints.&lt;ref&gt;{{vcite journal |author=Hamilton AFdC |title=Goals, intentions and mental states: challenges for theories of autism |journal=J Child Psychol Psychiatry |volume=50 |issue=8 |pages=881–92 |year=2009 |pmid=19508497 |doi=10.1111/j.1469-7610.2009.02098.x }}&lt;/ref&gt;

The second category focuses on nonsocial or general processing: the [[executive functions]] such as [[working memory]], planning, [[Inhibition Theory|inhibition]]. In his review, Kenworthy states that &quot;the claim of [[executive dysfunction]] as a causal factor in autism is controversial&quot;, however, &quot;it is clear that executive dysfunction plays a role in the social and cognitive deficits observed in individuals with autism&quot;.&lt;ref name=Kenworthy/&gt; Tests of core executive processes such as eye movement tasks indicate improvement from late childhood to adolescence, but performance never reaches typical adult levels.&lt;ref&gt;{{vcite journal |author=O'Hearn K, Asato M, Ordaz S, Luna B |title=Neurodevelopment and executive function in autism |journal=Dev Psychopathol |volume=20 |issue=4 |pages=1103–32 |year=2008 |pmid=18838033 |doi=10.1017/S0954579408000527 }}&lt;/ref&gt; A strength of the theory is predicting stereotyped behavior and narrow interests;&lt;ref&gt;{{vcite journal |author=Hill EL |title=Executive dysfunction in autism |journal=Trends Cogn Sci |year=2004 |volume=8 |issue=1 |pages=26–32 |doi=10.1016/j.dr.2004.01.001 |pmid=14697400 }}&lt;/ref&gt; two weaknesses are that executive function is hard to measure&lt;ref name=Kenworthy&gt;{{vcite journal |author=Kenworthy L, Yerys BE, Anthony LG, Wallace GL |title=Understanding executive control in autism spectrum disorders in the lab and in the real world |journal=Neuropsychol Rev |volume=18 |issue=4 |pages=320–38 |year=2008 |pmid=18956239 |doi=10.1007/s11065-008-9077-7 |pmc=2856078}}&lt;/ref&gt; and that executive function deficits have not been found in young autistic children.&lt;ref name=Sigman/&gt;

[[Weak central coherence theory]] hypothesizes that a limited ability to see the big picture underlies the central disturbance in autism. One strength of this theory is predicting special talents and peaks in performance in autistic people.&lt;ref&gt;{{vcite journal |author=Happé F, Frith U |title=The weak coherence account: detail-focused cognitive style in autism spectrum disorders |journal=J Autism Dev Disord |year=2006 |volume=36 |issue=1 |pages=5–25 |doi=10.1007/s10803-005-0039-0 |pmid=16450045 }}&lt;/ref&gt; A related theory—enhanced perceptual functioning—focuses more on the superiority of locally oriented and [[perceptual]] operations in autistic individuals.&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2006 |volume=36 |issue=1 |pages=27–43 |title=Enhanced perceptual functioning in autism: an update, and eight principles of autistic perception |author=Mottron L, [[Michelle Dawson|Dawson M]], Soulières I, Hubert B, Burack J |doi=10.1007/s10803-005-0040-7 |pmid=16453071 }}&lt;/ref&gt; These theories map well from the underconnectivity theory of autism.

Neither category is satisfactory on its own; social cognition theories poorly address autism's rigid and repetitive behaviors, while the nonsocial theories have difficulty explaining social impairment and communication difficulties.&lt;ref name=HappeTime&gt;{{vcite journal |author=Happé F, Ronald A, [[Robert Plomin|Plomin R]] |title=Time to give up on a single explanation for autism |journal=Nature Neuroscience |year=2006 |volume=9 |issue=10 |pages=1218–20 |doi=10.1038/nn1770 |pmid=17001340 }}&lt;/ref&gt; A combined theory based on multiple deficits may prove to be more useful.&lt;ref&gt;{{vcite journal |journal=Dev Rev |year=2007 |volume=27 |issue=2 |pages=224–60 |title=Cognitive theories of autism |author=Rajendran G, Mitchell P |doi=10.1016/j.dr.2007.02.001 }}&lt;/ref&gt;

==Diagnosis==
[[Medical diagnosis|Diagnosis]] is based on behavior, not cause or mechanism.&lt;ref name=London&gt;{{vcite journal|journal=Brain Pathol |year=2007 |volume=17 |issue=4 |pages=408–11 |title=The role of the neurobiologist in redefining the diagnosis of autism |author=London E |doi=10.1111/j.1750-3639.2007.00103.x |pmid=17919126 }}&lt;/ref&gt;&lt;ref&gt;{{vcite journal|journal=BMJ |year=2003 |volume=327 |issue=7413 |pages=488–93 |title=Diagnosis of autism |author=Baird G, Cass H, Slonims V |doi=10.1136/bmj.327.7413.488 |pmid=12946972 |pmc=188387 |url=http://www.bmj.com/cgi/content/full/327/7413/488 }}&lt;/ref&gt; Autism is defined in the [[DSM-IV-TR]] as exhibiting at least six symptoms total, including at least two symptoms of qualitative impairment in social interaction, at least one symptom of qualitative impairment in communication, and at least one symptom of restricted and repetitive behavior. Sample symptoms include lack of social or emotional reciprocity, stereotyped and repetitive use of language or [[Idiosyncrasy#Psychiatry and psychology|idiosyncratic language]], and persistent preoccupation with parts of objects. Onset must be prior to age three years, with delays or abnormal functioning in either social interaction, language as used in social communication, or symbolic or imaginative play. The disturbance must not be better accounted for by [[Rett syndrome]] or [[childhood disintegrative disorder]].&lt;ref name=DSM-IV-TR-299.00/&gt; [[ICD-10]] uses essentially the same definition.&lt;ref name=ICD-10-F84.0&gt;{{vcite web|url=http://apps.who.int/classifications/apps/icd/icd10online/?gf80.htm+f84 |year=2007 |accessdate=2009-10-10|work=ICD-10: International Statistical Classification of Diseases and Related Health Problems: Tenth Revision|publisher=World Health Organization |title=F84. Pervasive developmental disorders }}&lt;/ref&gt;

Several diagnostic instruments are available. Two are commonly used in autism research: the [[Autism Diagnostic Interview-Revised]] (ADI-R) is a semistructured parent interview, and the [[Autism Diagnostic Observation Schedule]] (ADOS)&lt;ref&gt;{{vcite journal |author=Gotham K, Risi S, Dawson G, ''et al.'' |title=A replication of the Autism Diagnostic Observation Schedule (ADOS) revised algorithms |journal=J Am Acad Child Adolesc Psychiatry |volume=47 |issue=6|pages=642–51 |year=2008 |month=June |pmid=18434924 |pmc=3057666 |doi=10.1097/CHI.0b013e31816bffb7 |url=}}&lt;/ref&gt; uses observation and interaction with the child. The [[Childhood Autism Rating Scale]] (CARS) is used widely in clinical environments to assess severity of autism based on observation of children.&lt;ref name=Volkmar/&gt;

A [[pediatrician]] commonly performs a preliminary investigation by taking developmental history and physically examining the child. If warranted, diagnosis and evaluations are conducted with help from ASD specialists, observing and assessing cognitive, communication, family, and other factors using standardized tools, and taking into account any associated [[medical conditions]].&lt;ref name=Dover/&gt; A pediatric [[neuropsychologist]] is often asked to assess behavior and cognitive skills, both to aid diagnosis and to help recommend educational interventions.&lt;ref name=Kanne&gt;{{vcite journal|author=Kanne SM, Randolph JK, Farmer JE |title=Diagnostic and assessment findings: a bridge to academic planning for children with autism spectrum disorders |journal=Neuropsychol Rev |volume=18 |issue=4 |pages=367–84 |year=2008|pmid=18855144 |doi=10.1007/s11065-008-9072-z }}&lt;/ref&gt; A [[differential diagnosis]] for ASD at this stage might also consider [[intellectual disability]], [[hearing impairment]], and a [[specific language impairment]]&lt;ref name=Dover/&gt; such as [[Landau–Kleffner syndrome]].&lt;ref&gt;{{vcite journal |journal=Dev Med Child Neurol |year=2000 |volume=42 |issue=5|pages=349–53 |title=Autistic regression and Landau–Kleffner syndrome: progress or confusion? |title.= |author=Mantovani JF |doi=10.1017/S0012162200210621 |pmid=10855658 }}&lt;/ref&gt; The presence of autism can make it harder to diagnose coexisting psychiatric disorders such as [[Major depressive disorder|depression]].&lt;ref&gt;{{vcite journal |author=Matson JL, Neal D|title=Cormorbidity: diagnosing comorbid psychiatric conditions |journal=Psychiatr Times |volume=26 |issue=4 |year=2009|url=http://www.psychiatrictimes.com/display/article/10168/1403043 }}&lt;/ref&gt;

[[Clinical genetics]] evaluations are often done once ASD is diagnosed, particularly when other symptoms already suggest a genetic cause.&lt;ref name=Caronna/&gt; Although genetic technology allows clinical geneticists to link an estimated 40% of cases to genetic causes,&lt;ref&gt;{{vcite journal |journal=Genet Med |year=2008 |volume=10 |issue=1 |pages=4–12 |title=Genetics evaluation for the etiologic diagnosis of autism spectrum disorders |author=Schaefer GB, Mendelsohn NJ|doi=10.1097/GIM.0b013e31815efdd7 |pmid=18197051 |laysummary=http://www.medicalnewstoday.com/articles/96448.php|laysource=Medical News Today |laydate=2008-02-07 }}&lt;/ref&gt; consensus guidelines in the US and UK are limited to high-resolution chromosome and [[fragile X]] testing.&lt;ref name=Caronna/&gt; A [[genotype]]-first model of diagnosis has been proposed, which would routinely assess the genome's copy number variations.&lt;ref&gt;{{vcite journal |author=Ledbetter DH|title=Cytogenetic technology—genotype and phenotype |journal=N Engl J Med |volume=359 |issue=16 |pages=1728–30 |year=2008|pmid=18784093 |doi=10.1056/NEJMe0806570 }}&lt;/ref&gt; As new genetic tests are developed several ethical, legal, and social issues will emerge. Commercial availability of tests may precede adequate understanding of how to use test results, given the complexity of autism's genetics.&lt;ref&gt;{{vcite journal |journal=American Journal of Medical Genetics |year=2006 |volume=142C|issue=1 |pages=52–7 |title=Genetic counseling and ethical issues for autism |author=McMahon WM, Baty BJ, Botkin J|doi=10.1002/ajmg.c.30082 |pmid=16419100 }}&lt;/ref&gt; [[Metabolic]] and [[neuroimaging]] tests are sometimes helpful, but are not routine.&lt;ref name=Caronna/&gt;

ASD can sometimes be diagnosed by age 14 months, although diagnosis becomes increasingly stable over the first three years of life: for example, a one-year-old who meets diagnostic criteria for ASD is less likely than a three-year-old to continue to do so a few years later.&lt;ref name=Landa3&gt;{{vcite journal |journal=Nat Clin Pract Neurol |year=2008 |volume=4|issue=3 |pages=138–47 |title=Diagnosis of autism spectrum disorders in the first 3 years of life |author=Landa RJ|doi=10.1038/ncpneuro0731 |pmid=18253102 }}&lt;/ref&gt; In the UK the National Autism Plan for Children recommends at most 30 weeks from first concern to completed diagnosis and assessment, though few cases are handled that quickly in practice.&lt;ref name=Dover&gt;{{vcite journal |journal=Arch Dis Child |year=2007 |volume=92 |issue=6 |pages=540–5 |title=How to diagnose autism |author=Dover CJ, Le Couteur A |doi=10.1136/adc.2005.086280 |pmid=17515625 }}&lt;/ref&gt; A 2009 US study found the average age of formal ASD diagnosis was 5.7 years, far above recommendations, and that 27% of children remained undiagnosed at age 8 years.&lt;ref&gt;{{vcite journal |author=[[Paul Shattuck|Shattuck PT]], Durkin M, Maenner M ''et al.'' |author.=|title=Timing of identification among children with an autism spectrum disorder: findings from a population-based surveillance study |journal=J Am Acad Child Adolesc Psychiatry |volume=48 |issue=5 |pages=474–83 |year=2009 |pmid=19318992|doi=10.1097/CHI.0b013e31819b3848 }}&lt;/ref&gt; Although the symptoms of autism and ASD begin early in childhood, they are sometimes missed; years later, adults may seek diagnoses to help them or their friends and family understand themselves, to help their employers make adjustments, or in some locations to claim disability living allowances or other benefits.&lt;ref&gt;{{vcite web |publisher=National Autistic Society |title=Diagnosis: how can it benefit me as an adult?|title.= |year=2005|url=http://archive.is/1jEkC|accessdate=2008-03-24 }}&lt;/ref&gt;

Underdiagnosis and overdiagnosis are problems in marginal cases, and much of the recent increase in the number of reported ASD cases is likely due to changes in diagnostic practices. The increasing popularity of drug treatment options and the expansion of benefits has given providers incentives to diagnose ASD, resulting in some overdiagnosis of children with uncertain symptoms. Conversely, the cost of screening and diagnosis and the challenge of obtaining payment can inhibit or delay diagnosis.&lt;ref&gt;{{vcite journal |author=Shattuck PT, Grosse SD |title=Issues related to the diagnosis and treatment of autism spectrum disorders |journal=Ment Retard Dev Disabil Res Rev |year=2007 |volume=13 |issue=2 |pages=129–35|doi=10.1002/mrdd.20143 |pmid=17563895 }}&lt;/ref&gt; It is particularly hard to diagnose autism among the [[visually impaired]], partly because some of its diagnostic criteria depend on vision, and partly because autistic symptoms overlap with those of common blindness syndromes or [[blindism]]s.&lt;ref&gt;{{vcite journal |title=Visual impairment and autism: current questions and future research |author=Cass H |journal=Autism |year=1998 |volume=2 |issue=2 |pages=117–38|doi=10.1177/1362361398022002 }}&lt;/ref&gt;

===Classification===
Autism is one of the five [[pervasive developmental disorder]]s (PDD), which are characterized by widespread abnormalities of social interactions and communication, and severely restricted interests and highly repetitive behavior.&lt;ref name=ICD-10-F84.0/&gt; These symptoms do not imply sickness, fragility, or emotional disturbance.&lt;ref name=Rapin/&gt;

Of the five PDD forms, [[Asperger syndrome]] is closest to autism in signs and likely causes; [[Rett syndrome]] and [[childhood disintegrative disorder]] share several signs with autism, but may have unrelated causes; [[PDD not otherwise specified]] (PDD-NOS; also called ''atypical autism'') is diagnosed when the criteria are not met for a more specific disorder.&lt;ref&gt;{{vcite journal |author=Volkmar FR, State M, Klin A |title=Autism and autism spectrum disorders: diagnostic issues for the coming decade |journal=J Child Psychol Psychiatry |volume=50 |issue=1–2 |pages=108–15 |year=2009|doi=10.1111/j.1469-7610.2008.02010.x |pmid=19220594 }}&lt;/ref&gt; Unlike with autism, people with Asperger syndrome have no substantial delay in [[language development]].&lt;ref name=DSM-IV-TR-299.00/&gt; The terminology of autism can be bewildering, with autism, Asperger syndrome and PDD-NOS often called the ''autism spectrum disorders'' (ASD)&lt;ref name=CCD/&gt; or sometimes the ''autistic disorders'',&lt;ref&gt;{{vcite journal |author=Freitag CM |title=The genetics of autistic disorders and its clinical relevance: a review of the literature |journal=Mol Psychiatry |volume=12 |issue=1 |pages=2–22 |year=2007|doi=10.1038/sj.mp.4001896 |pmid=17033636 }}&lt;/ref&gt; whereas autism itself is often called ''autistic disorder'',''childhood autism'', or ''infantile autism''. In this article, ''autism'' refers to the classic autistic disorder; in clinical practice, though, ''autism'', ''ASD'', and ''PDD'' are often used interchangeably.&lt;ref name=Caronna&gt;{{vcite journal |journal=Arch Dis Child |year=2008 |volume=93 |issue=6 |pages=518–23 |title=Autism spectrum disorders: clinical and research frontiers |author=Caronna EB, Milunsky JM, Tager-Flusberg H |doi=10.1136/adc.2006.115337 |pmid=18305076}}&lt;/ref&gt; ASD, in turn, is a subset of the broader autism [[phenotype]], which describes individuals who may not have ASD but do have autistic-like [[Trait (biology)|traits]], such as avoiding eye contact.&lt;ref&gt;{{cite journal |author=Piven J, Palmer P, Jacobi D, Childress D, Arndt S |title=Broader autism phenotype: evidence from a family history study of multiple-incidence autism families |journal=Am J Psychiatry |year=1997 |volume=154 |issue=2 |pages=185–90 |pmid=9016266}}&lt;/ref&gt;

The manifestations of autism cover a wide [[Spectrum disorder|spectrum]], ranging from individuals with severe impairments—who may be silent, [[developmentally disabled]], and locked into hand flapping and rocking—to high functioning individuals who may have active but distinctly odd social approaches, narrowly focused interests, and verbose, [[pedantic]] communication.&lt;ref&gt;{{vcite journal |author=Happé F |title=Understanding assets and deficits in autism: why success is more interesting than failure |journal=Psychologist |volume=12 |issue=11 |pages=540–7 |year=1999|url=http://www.thepsychologist.org.uk/archive/archive_home.cfm/volumeID_12-editionID_46-ArticleID_133-getfile_getPDF/thepsychologist/psy_11_99_p540-547_happe.pdf|format=PDF }}&lt;/ref&gt; Because the behavior spectrum is continuous, boundaries between diagnostic categories are necessarily somewhat arbitrary.&lt;ref name=Geschwind-2009/&gt; Sometimes the syndrome is divided into low-, medium- or [[high-functioning autism]] (LFA, MFA, and HFA), based on [[IQ]] thresholds,&lt;ref&gt;{{vcite journal |author=[[Simon Baron-Cohen|Baron-Cohen S]]|title=The hyper-systemizing, assortative mating theory of autism |journal=Prog Neuropsychopharmacol Biol Psychiatry|year=2006 |volume=30 |issue=5 |pages=865–72 |doi=10.1016/j.pnpbp.2006.01.010 |pmid=16519981|url=http://autismresearchcentre.com/docs/papers/2006_BC_Neuropsychophamacology.pdf |format=PDF |archiveurl=http://web.archive.org/web/20120513020615/http://autismresearchcentre.com/docs/papers/2006_BC_Neuropsychophamacology.pdf|archivedate=2012-05-12 }}&lt;/ref&gt; or on how much support the individual requires in daily life; these subdivisions are not standardized and are controversial. Autism can also be divided into [[Syndrome|syndromal]] and non-syndromal autism; the syndromal autism is associated with severe or profound [[intellectual disability]] or a congenital syndrome with physical symptoms, such as [[tuberous sclerosis]].&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2005 |volume=35 |issue=1|pages=103–16 |title=Specific genetic disorders and autism: clinical contribution towards their identification|author=Cohen D, Pichard N, Tordjman S ''et al.'' |author.= |doi=10.1007/s10803-004-1038-2 |pmid=15796126 }}&lt;/ref&gt; Although individuals with Asperger syndrome tend to perform better cognitively than those with autism, the extent of the [[Diagnosis of Asperger syndrome#Differences from high-functioning autism|overlap between Asperger syndrome, HFA, and non-syndromal autism]] is unclear.&lt;ref&gt;Validity of ASD subtypes:
* {{vcite journal |journal=Rev Bras Psiquiatr |year=2006 |volume=28 |issue=suppl 1 |pages=S3–S11 |title=Autism and Asperger syndrome: an overview |author=Klin A |doi=10.1590/S1516-44462006000500002 |pmid=16791390|url=http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S1516-44462006000500002&amp;lng=en&amp;nrm=iso&amp;tlng=en }}
* {{vcite journal |journal=J Autism Dev Disord |volume=38 |issue=9 |pages=1611–24 |year=2008 |title=Examining the validity of autism spectrum disorder subtypes |author=Witwer AN, Lecavalier L |doi=10.1007/s10803-008-0541-2 |pmid=18327636}}&lt;/ref&gt;

Some studies have reported diagnoses of autism in children due to a loss of language or social skills, as opposed to a failure to make progress, typically from 15 to 30 months of age. The validity of this distinction remains controversial; it is possible that [[regressive autism]] is a specific subtype,&lt;ref name=Stefanatos&gt;{{vcite journal |author=Stefanatos GA|title=Regression in autistic spectrum disorders |journal=Neuropsychol Rev |volume=18 |issue=4 |pages=305–19 |year=2008|pmid=18956241 |doi=10.1007/s11065-008-9073-y }}&lt;/ref&gt;&lt;ref name=Volkmar&gt;{{vcite journal |author=Volkmar F, Chawarska K, Klin A |title=Autism in infancy and early childhood |journal=Annu Rev Psychol |year=2005 |volume=56 |pages=315–36|doi=10.1146/annurev.psych.56.091103.070159 |pmid=15709938 }} A partial update is in: {{vcite journal |journal=World Psychiatry |year=2008 |volume=7 |issue=1 |pages=19–21 |title=Autism in infants: an update |author=Volkmar FR, Chawarska K|pmid=18458791 |pmc=2366821 }}&lt;/ref&gt;&lt;ref name=Landa/&gt;&lt;ref name=Landa3/&gt; or that there is a continuum of behaviors between autism with and without regression.&lt;ref&gt;{{vcite journal |author=Ozonoff S, Heung K, Byrd R, Hansen R, [[Irva Hertz-Picciotto|Hertz-Picciotto I]] |title=The onset of autism: patterns of symptom emergence in the first years of life|journal=Autism Res |volume=1 |issue=6 |pages=320–328 |year=2008 |pmid=19360687 |doi=10.1002/aur.53 |pmc=2857525}}&lt;/ref&gt;

Research into causes has been hampered by the inability to identify biologically meaningful subgroups within the autistic population&lt;ref&gt;{{vcite journal |journal=Pediatrics |year=2008 |volume=121 |issue=6 |pages=1225–9 |title=Autism and the environment: challenges and opportunities for research |author=Altevogt BM, Hanson SL, Leshner AI|doi=10.1542/peds.2007-3000 |pmid=18519493 |url=http://pediatrics.aappublications.org/cgi/content/full/121/6/1225 }}&lt;/ref&gt; and by the traditional boundaries between the disciplines of [[psychiatry]], [[psychology]], [[neurology]] and [[pediatrics]].&lt;ref&gt;{{vcite journal |author=Reiss AL |title=Childhood developmental disorders: an academic and clinical convergence point for psychiatry, neurology, psychology and pediatrics |journal=J Child Psychol Psychiatry |volume=50|issue=1-2 |pages=87–98 |year=2009 |pmid=19220592 |doi=10.1111/j.1469-7610.2008.02046.x }}&lt;/ref&gt; Newer technologies such as [[fMRI]] and [[diffusion tensor imaging]] can help identify biologically relevant [[phenotype]]s (observable traits) that can be viewed on [[brain scan]]s, to help further [[neurogenetic]] studies of autism;&lt;ref&gt;{{vcite journal|author=Piggot J, Shirinyan D, Shemmassian S, Vazirian S, Alarcón M |title=Neural systems approaches to the neurogenetics of autism spectrum disorders |journal=Neuroscience |volume=164 |issue=1 |pages=247–56 |year=2009 |pmid=19482063|doi=10.1016/j.neuroscience.2009.05.054 }}&lt;/ref&gt; one example is lowered activity in the [[fusiform face area]] of the brain, which is associated with impaired perception of people versus objects.&lt;ref name=Levy/&gt; It has been proposed to classify autism using genetics as well as behavior.&lt;ref&gt;{{vcite journal |journal=American Journal of Human Genetics |year=2008 |volume=82|issue=1 |pages=7–9 |title=Unraveling autism |author=Stephan DA |doi=10.1016/j.ajhg.2007.12.003 |pmid=18179879|pmc=2253980 }}&lt;/ref&gt;

==Screening==
About half of parents of children with ASD notice their child's unusual behaviors by age 18 months, and about four-fifths notice by age 24 months.&lt;ref name=Landa3/&gt; According to an article in the ''Journal of Autism and Developmental Disorders'', failure to meet any of the following milestones &quot;is an absolute indication to proceed with further evaluations. Delay in referral for such testing may delay early diagnosis and treatment and affect the long-term outcome&quot;.&lt;ref name=Filipek/&gt;
* No [[babbling]] by 12 months.
* No [[Gesture|gesturing]] (pointing, waving, etc.) by 12 months.
* No single words by 16 months.
* No two-word (spontaneous, not just [[echolalia|echolalic]]) phrases by 24 months.
* Any loss of any language or social skills, at any age.
US and Japanese practice is to [[Screening (medicine)|screen]] all children for ASD at 18 and 24 months, using autism-specific formal screening tests. In contrast, in the UK, children whose families or doctors recognize possible signs of autism are screened. It is not known which approach is more effective.&lt;ref name=Levy/&gt; Screening tools include the Modified Checklist for Autism in Toddlers (M-CHAT), the Early Screening of Autistic Traits Questionnaire, and the First Year Inventory; initial data on M-CHAT and its predecessor CHAT on children aged 18–30 months suggests that it is best used in a clinical setting and that it has low [[Sensitivity (tests)|sensitivity]] (many false-negatives) but good [[Specificity (tests)|specificity]] (few false-positives).&lt;ref name=Landa3/&gt; It may be more accurate to precede these tests with a broadband screener that does not distinguish ASD from other developmental disorders.&lt;ref&gt;{{vcite journal |author=Wetherby AM, Brosnan-Maddox S, Peace V, Newton L |title=Validation of the Infant–Toddler Checklist as a broadband screener for autism spectrum disorders from 9 to 24 months of age |journal=Autism |volume=12 |issue=5 |pages=487–511 |year=2008 |pmid=18805944 |doi=10.1177/1362361308094501 |pmc=2663025 }}&lt;/ref&gt; Screening tools designed for one culture's norms for behaviors like eye contact may be inappropriate for a different culture.&lt;ref&gt;{{vcite journal |journal=Acta Paediatr |year=2008 |volume=97 |issue=5 |pages=539–40 |title=The challenge of screening for autism spectrum disorder in a culturally diverse society |author=Wallis KE, Pinto-Martin J |doi=10.1111/j.1651-2227.2008.00720.x |pmid=18373717 }}&lt;/ref&gt; Although [[genetic screening]] for autism is generally still impractical, it can be considered in some cases, such as children with neurological symptoms and [[dysmorphic feature]]s.&lt;ref&gt;{{vcite journal |author=Lintas C, Persico AM |title=Autistic phenotypes and genetic testing: state-of-the-art for the clinical geneticist |journal=Journal of Medical Genetics |volume=46 |issue=1 |pages=1–8 |year=2009 |pmid=18728070 |pmc=2603481 |doi=10.1136/jmg.2008.060871 |url=http://jmg.bmj.com/content/46/1/1.long }}&lt;/ref&gt;

==Management==
{{main|Autism therapies}}
[[File:Opening a window to the autistic brain.jpg|thumb|alt=A young child points, in front of a woman who smiles and points in the same direction.|A three-year-old with autism points to fish in an aquarium, as part of an experiment on the effect of intensive shared-attention training on language development.&lt;ref name=Powell/&gt;]]
The main goals when treating children with autism are to lessen associated deficits and family distress, and to increase quality of life and functional independence. No single treatment is best and treatment is typically tailored to the child's needs.&lt;ref name=CCD/&gt; Families and the educational system are the main resources for treatment.&lt;ref name=Levy/&gt; Studies of interventions have methodological problems that prevent definitive conclusions about [[efficacy]].&lt;ref&gt;{{vcite journal |author=Ospina MB, Krebs Seida J, Clark B ''et al.'' |author.= |title=Behavioural and developmental interventions for autism spectrum disorder: a clinical systematic review |journal=PLoS ONE |volume=3 |issue=11 |pages=e3755 |year=2008 |pmid=19015734 |pmc=2582449 |doi=10.1371/journal.pone.0003755 |url=http://www.plosone.org/article/info:doi/10.1371/journal.pone.0003755 }}&lt;/ref&gt; Although many [[psychosocial]] interventions have some positive evidence, suggesting that some form of treatment is preferable to no treatment, the methodological quality of [[systematic review]]s of these studies has generally been poor, their clinical results are mostly tentative, and there is little evidence for the relative effectiveness of treatment options.&lt;ref&gt;{{vcite journal |author=Krebs Seida J, Ospina MB, Karkhaneh M, Hartling L, Smith V, Clark B |title=Systematic reviews of psychosocial interventions for autism: an umbrella review |journal=Dev Med Child Neurol |volume=51 |issue=2 |pages=95–104 |year=2009 |pmid=19191842 |doi=10.1111/j.1469-8749.2008.03211.x }}&lt;/ref&gt; Intensive, sustained [[special education]] programs and [[behavior therapy]] early in life can help children acquire self-care, social, and job skills,&lt;ref name=CCD&gt;{{vcite journal |journal=Pediatrics |year=2007 |volume=120 |issue=5 |pages=1162–82 |title=Management of children with autism spectrum disorders |author=Myers SM, Johnson CP, Council on Children with Disabilities |doi=10.1542/peds.2007-2362 |pmid=17967921}}&lt;/ref&gt; and often improve functioning and decrease symptom severity and maladaptive behaviors;&lt;ref name=Rogers&gt;{{vcite journal |journal=J Clin Child Adolesc Psychol |year=2008 |volume=37 |issue=1 |pages=8–38 |title=Evidence-based comprehensive treatments for early autism |author=Rogers SJ, Vismara LA |doi=10.1080/15374410701817808 |pmid=18444052 |pmc=2943764}}&lt;/ref&gt; claims that intervention by around age three years is crucial are not substantiated.&lt;ref name=HowlinCharman&gt;{{vcite journal |author=Howlin P, Magiati I, Charman T |title=Systematic review of early intensive behavioral interventions for children with autism |journal=Am J Intellect Dev Disabil |volume=114 |issue=1 |pages=23–41 |year=2009 |pmid=19143460 |doi=10.1352/2009.114:23-41 }}&lt;/ref&gt; Available approaches include [[applied behavior analysis]] (ABA), developmental models, [[TEACCH|structured teaching]], [[speech and language therapy]], [[social skills]] therapy, and [[occupational therapy]].&lt;ref name=CCD/&gt; There is some evidence that early intensive behavioral intervention, an early intervention model for 20 to 40 hours a week for multiple years, is an effective behavioral treatment for some children with ASD.&lt;ref&gt;{{vcite journal |author=Reichow B, Barton EE, Boyd BA, Hume K |title=Early intensive behavioral intervention (EIBI) for young children with autism spectrum disorders (ASD) |journal=Cochrane Database of Systematic Reviews |volume=10 |issue= |pages=CD009260 |year=2012 |pmid=23076956 |doi=10.1002/14651858.CD009260.pub2 }}&lt;/ref&gt;

Educational interventions can be effective to varying degrees in most children: [[Early intensive behavioral intervention|intensive ABA treatment]] has demonstrated effectiveness in enhancing global functioning in preschool children&lt;ref name=Eikeseth&gt;{{vcite journal |journal=Res Dev Disabil |year=2009 |title=Outcome of comprehensive psycho-educational interventions for young children with autism |author=Eikeseth S |doi=10.1016/j.ridd.2008.02.003 |pmid=18385012 |volume=30 |issue=1 |pages=158–78 }}&lt;/ref&gt; and is well-established for improving intellectual performance of young children.&lt;ref name=Rogers/&gt; Neuropsychological reports are often poorly communicated to educators, resulting in a gap between what a report recommends and what education is provided.&lt;ref name=Kanne/&gt; It is not known whether treatment programs for children lead to significant improvements after the children grow up,&lt;ref name=Rogers/&gt; and the limited research on the effectiveness of adult residential programs shows mixed results.&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2003 |volume=33 |issue=2 |pages=131–40 |title=Effects of a model treatment approach on adults with autism |author=Van Bourgondien ME, Reichle NC, [[Eric Schopler|Schopler E]] |doi=10.1023/A:1022931224934 |pmid=12757352 }}&lt;/ref&gt; The appropriateness of including children with varying severity of autism spectrum disorders in the general education population is a subject of current debate among educators and researchers.&lt;ref&gt;{{vcite journal |journal=Topics in Language Disorders |year=2003 |volume=23 |issue=2 |pages=116–133 |title=Inclusion of Learners with Autism Spectrum Disorders in General Education Settings |authors= Simpson RL, de Boer-Ott SR, Smith-Myles B|url=http://www.nursingcenter.com/pdf.asp?AID=520301 }}&lt;/ref&gt;

Many medications are used to treat ASD symptoms that interfere with integrating a child into home or school when behavioral treatment fails.&lt;ref name=Rapin/&gt;&lt;ref&gt;{{vcite journal |journal=Harv Rev Psychiatry |year=2008 |volume=16 |issue=2 |pages=97–112 |title=Pharmacological treatment options for autism spectrum disorders in children and adolescents |author=Leskovec TJ, Rowles BM, Findling RL |doi=10.1080/10673220802075852 |pmid=18415882 }}&lt;/ref&gt; More than half of US children diagnosed with ASD are prescribed [[psychoactive drug]]s or [[anticonvulsant]]s, with the most common drug classes being [[antidepressant]]s, [[stimulant]]s, and [[antipsychotic]]s.&lt;ref&gt;{{vcite journal |journal=J Child Adolesc Psychopharmacol |year=2007 |volume=17 |issue=3 |pages=348–55 |title=Medication use among children with autism spectrum disorders |author=Oswald DP, Sonenklar NA |doi=10.1089/cap.2006.17303 |pmid=17630868 }}&lt;/ref&gt; Aside from antipsychotics,&lt;ref&gt;{{vcite journal |journal=J Clin Invest |year=2008 |volume=118 |issue=1 |pages=6–14 |title=Antipsychotics in the treatment of autism |author=Posey DJ, Stigler KA, Erickson CA, McDougle CJ |doi=10.1172/JCI32483 |pmid=18172517 |pmc=2171144 |url=http://www.jci.org/articles/view/32483/version/1 }}&lt;/ref&gt; Both aripiprazole and risperidone are effective for treating irritability in children with autistic disorders.&lt;ref&gt;{{cite journal|last=Ghanizadeh|first=A|coauthors=Sahraeizadeh A, Berk M|title=A Head-to-Head Comparison of Aripiprazole and Risperidone for Safety and Treating Autistic Disorders, a Randomized Double Blind Clinical Trial|journal=Child Psychiatry Hum Dev|year=2013|pmid=23801256|url=http://www.ncbi.nlm.nih.gov/pubmed/23801256|doi=10.1007/s10578-013-0390-x}}&lt;/ref&gt; there is scant reliable research about the effectiveness or safety of drug treatments for adolescents and adults with ASD.&lt;ref&gt;Lack of research on drug treatments:
* {{vcite journal |journal=Aust Fam Physician |year=2007 |volume=36 |issue=9 |pages=741–4 |title=Children and autism—part 1—recognition and pharmacological management |author=Angley M, Young R, Ellis D, Chan W, McKinnon R |pmid=17915375 |url=http://www.racgp.org.au/afp/200709/200709angley.pdf |format=PDF }}
* {{vcite journal |journal=Autism |year=2007 |volume=11 |issue=4 |pages=335–48 |title=Systematic review of the effectiveness of pharmacological treatments for adolescents and adults with autism spectrum disorder |author=Broadstock M, Doughty C, Eggleston M |doi=10.1177/1362361307078132 |pmid=17656398 }}&lt;/ref&gt; A person with ASD may respond atypically to medications, the medications can have [[Adverse effect (medicine)|adverse effects]],&lt;ref name=CCD/&gt; and no known medication relieves autism's core symptoms of social and communication impairments.&lt;ref&gt;{{vcite journal |journal=Novartis Found Symp |year=2003 |volume=251 |pages=235–44; discussion 245–9, 281–97 |title=Why have drug treatments been so disappointing? |title.= |author=Buitelaar JK |doi=10.1002/0470869380.ch14 |pmid=14521196 }}&lt;/ref&gt; Experiments in mice have reversed or reduced some symptoms related to autism by replacing or modulating gene function,&lt;ref name=Walsh/&gt;&lt;ref name=&quot;pmid18093519&quot;/&gt; suggesting the possibility of targeting therapies to specific rare mutations known to cause autism.&lt;ref name=Betancur/&gt;&lt;ref name=&quot;pmid20303363&quot;&gt;{{vcite journal |author = Dölen G, Carpenter RL, Ocain TD, Bear MF | title = Mechanism-based approaches to treating fragile X | journal = Pharmacol Ther | volume = 127 | issue = 1 | pages = 78–93| year = 2010 | pmid = 20303363 | doi = 10.1016/j.pharmthera.2010.02.008}}&lt;/ref&gt;

Although many [[Alternative therapies for developmental and learning disabilities|alternative therapies and interventions]] are available, few are supported by scientific studies.&lt;ref name=Sigman/&gt;&lt;ref&gt;Lack of support for interventions:
* {{vcite journal |journal=Dev Med Child Neurol |year=2005 |volume=47 |issue=7 |pages=493–9 |title=Autism interventions: a critical update |author=Francis K |doi=10.1017/S0012162205000952 |pmid=15991872 |url=http://journals.cambridge.org/production/action/cjoGetFulltext?fulltextid=313204 |format=PDF }}
* {{vcite journal |author=Levy SE, Hyman SL |title=Complementary and alternative medicine treatments for children with autism spectrum disorders |journal=Child Adolesc Psychiatr Clin N Am |volume=17 |issue=4 |pages=803–20, ix |year=2008 |pmid=18775371 |pmc=2597185 |doi=10.1016/j.chc.2008.06.004 }}
* {{vcite journal |journal=J Autism Dev Disord |year=2008 |volume=38 |issue=2 |pages=353–61 |title=Social skills interventions for children with Asperger's syndrome or high-functioning autism: a review and recommendations |author=Rao PA, Beidel DC, Murray MJ |doi=10.1007/s10803-007-0402-4 |pmid=17641962 }}
&lt;/ref&gt; Treatment approaches have little empirical support in [[Quality of life|quality-of-life]] contexts, and many programs focus on success measures that lack predictive validity and real-world relevance.&lt;ref name=Burgess/&gt; Scientific evidence appears to matter less to service providers than program marketing, training availability, and parent requests.&lt;ref&gt;{{vcite journal |journal=Focus Autism Other Dev Disabl |year=2005 |volume=20 |issue=2 |pages=66–79 |title=Early intervention practices for children with autism: descriptions from community providers |author=Stahmer AC, Collings NM, Palinkas LA |pmid=16467905 |pmc=1350798 |doi=10.1177/10883576050200020301 }}&lt;/ref&gt; Some alternative treatments may place the child at risk. A 2008 study found that compared to their peers, autistic boys have significantly thinner bones if on [[casein-free diet]]s;&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2008 |volume=38 |issue=5 |pages=848–56 |title=Reduced bone cortical thickness in boys with autism or autism spectrum disorder |author=Hediger ML, England LJ, Molloy CA, Yu KF, Manning-Courtney P, Mills JL |doi=10.1007/s10803-007-0453-6 |pmid=17879151 |laysummary=http://www.nih.gov/news/health/jan2008/nichd-29.htm |laysource=NIH News |laydate=2008-01-29 }}&lt;/ref&gt; in 2005, botched [[chelation therapy]] killed a five-year-old child with autism.&lt;ref&gt;{{vcite journal |journal=Pediatrics |year=2006 |volume=118 |issue=2 |pages=e534–6 |title=Deaths resulting from hypocalcemia after administration of edetate disodium: 2003–2005 |author=Brown MJ, Willis T, Omalu B, Leiker R |doi=10.1542/peds.2006-0858 |pmid=16882789 |url=http://pediatrics.aappublications.org/cgi/content/full/118/2/e534 }}&lt;/ref&gt;

Treatment is expensive; indirect costs are more so. For someone born in 2000, a US study estimated an average lifetime cost of ${{formatprice|{{inflation|US|3160384|2003}}}} ([[net present value]] in {{CURRENTYEAR}} dollars, inflation-adjusted from 2003 estimate),{{inflation-fn|US}} with about 10% [[medical care]], 30% extra education and other care, and 60% lost economic productivity.&lt;ref&gt;{{vcite journal |journal=Arch Pediatr Adolesc Med |year=2007 |volume=161 |issue=4 |pages=343–9 |title=The lifetime distribution of the incremental societal costs of autism |author=Ganz ML |pmid=17404130 |url=http://archpedi.ama-assn.org/cgi/content/full/161/4/343 |laysummary=http://www.hsph.harvard.edu/news/press-releases/2006-releases/press04252006.html |laysource=Harvard School of Public Health |laydate=2006-04-25 |doi=10.1001/archpedi.161.4.343 }}&lt;/ref&gt; Publicly supported programs are often inadequate or inappropriate for a given child, and unreimbursed out-of-pocket medical or therapy expenses are associated with likelihood of family financial problems;&lt;ref&gt;{{vcite journal |journal=J Fam Econ Iss |year=2007 |volume=28 |issue=2 |pages=247–64 |doi=10.1007/s10834-007-9059-6 |title=Financial issues associated with having a child with autism |author=Sharpe DL, Baker DL }}&lt;/ref&gt; one 2008 US study found a 14% average loss of annual income in families of children with ASD,&lt;ref&gt;{{vcite journal |journal=Pediatrics |year=2008 |volume=121 |issue=4 |pages=e821–6 |title=Association of childhood autism spectrum disorders and loss of family income |author=Montes G, Halterman JS |doi=10.1542/peds.2007-1594 |pmid=18381511 |url=http://pediatrics.aappublications.org/cgi/content/full/121/4/e821 }}&lt;/ref&gt; and a related study found that ASD is associated with higher probability that [[child care]] problems will greatly affect parental employment.&lt;ref&gt;{{vcite journal |journal=Pediatrics |year=2008 |volume=122 |issue=1 |pages=e202–8 |title=Child care problems and employment among families with preschool-aged children with autism in the United States |author=Montes G, Halterman JS |doi=10.1542/peds.2007-3037 |pmid=18595965 |url=http://pediatrics.aappublications.org/cgi/content/full/122/1/e202 }}&lt;/ref&gt; US states increasingly require private health insurance to cover autism services, shifting costs from publicly funded education programs to privately funded health insurance.&lt;ref&gt;{{vcite journal |journal=Manag Care |year=2008 |volume=17 |issue=8 |pages=35–6, 39 |title=States increasingly mandate special autism services |author=Reinke T |pmid=18777788 |url=http://managedcaremag.com/archives/0808/0808.autism.html }}&lt;/ref&gt; After childhood, key treatment issues include residential care, job training and placement, sexuality, social skills, and [[estate planning]].&lt;ref&gt;{{vcite journal |journal=J Clin Psychiatry |year=2005 |volume=66 |issue=Suppl 10 |pages=38–45 |title=Treatment planning for patients with autism spectrum disorders |author=Aman MG |pmid=16401149 }}&lt;/ref&gt;

==Prognosis==
There is no known cure.&lt;ref name=Levy/&gt;&lt;ref name=CCD/&gt; Children recover occasionally, so that they lose their diagnosis of ASD;&lt;ref name=Helt/&gt; this occurs sometimes after intensive treatment and sometimes not. It is not known how often recovery happens;&lt;ref name=Rogers/&gt; reported rates in unselected samples of children with ASD have ranged from 3% to 25%.&lt;ref name=Helt&gt;{{vcite journal |author=Helt M, Kelley E, Kinsbourne M ''et al.'' |author.= |title=Can children with autism recover? if so, how? |title.= |journal=Neuropsychol Rev |volume=18 |issue=4 |pages=339–66 |year=2008 |pmid=19009353 |doi=10.1007/s11065-008-9075-9 }}&lt;/ref&gt; Most autistic children can acquire language by age 5 or younger, though a few have developed communication skills in later years.&lt;ref&gt;{{vcite journal |author=Pickett E, Pullara O, O'Grady J, Gordon B |title=Speech acquisition in older nonverbal individuals with autism: a review of features, methods, and prognosis |journal=Cogn Behav Neurol |volume=22 |issue=1 |pages=1–21 |year=2009 |pmid=19372766 |doi=10.1097/WNN.0b013e318190d185 }}&lt;/ref&gt; Most children with autism lack [[social support]], meaningful relationships, future employment opportunities or [[Self-determination theory|self-determination]].&lt;ref name=Burgess&gt;{{vcite journal |author=Burgess AF, Gutstein SE |year=2007 |title=Quality of life for people with autism: raising the standard for evaluating successful outcomes |journal=Child Adolesc Ment Health |volume=12 |issue=2 |pages=80–6 |doi=10.1111/j.1475-3588.2006.00432.x |url=http://kingwoodpsychology.com/recent_publications/camh_432.pdf|format=PDF}}&lt;/ref&gt; Although core difficulties tend to persist, symptoms often become less severe with age.&lt;ref name=Rapin/&gt;

Few high-quality studies address long-term [[prognosis]]. Some adults show modest improvement in communication skills, but a few decline; no study has focused on autism after midlife.&lt;ref&gt;{{vcite journal |journal=Ment Retard Dev Disabil Res Rev |volume=10 |issue=4 |pages=234–47 |year=2004 |title=Trajectory of development in adolescents and adults with autism |author=Seltzer MM, Shattuck P, Abbeduto L, Greenberg JS |doi=10.1002/mrdd.20038 |pmid=15666341 }}&lt;/ref&gt; Acquiring language before age six, having an [[IQ]] above 50, and having a marketable skill all predict better outcomes; [[independent living]] is unlikely with severe autism.&lt;ref&gt;{{vcite journal |author=Tidmarsh L, Volkmar FR |title=Diagnosis and epidemiology of autism spectrum disorders |journal=Can J Psychiatry |volume=48 |issue=8 |pages=517–25 |year=2003 |pmid=14574827 |url=http://ww1.cpa-apc.org:8080/Publications/Archives/CJP/2003/september/tidmarsh.asp }}&lt;/ref&gt; A 2004 British study of 68 adults who were diagnosed before 1980 as autistic children with IQ above 50 found that 12% achieved a high level of independence as adults, 10% had some friends and were generally in work but required some support, 19% had some independence but were generally living at home and needed considerable support and supervision in daily living, 46% needed specialist residential provision from facilities specializing in ASD with a high level of support and very limited autonomy, and 12% needed high-level hospital care.&lt;ref name=Howlin&gt;{{vcite journal |author=Howlin P, Goode S, Hutton J, Rutter M |title=Adult outcome for children with autism |journal=J Child Psychol Psychiatry |year=2004 |volume=45 |issue=2 |pages=212–29 |pmid=14982237 |doi=10.1111/j.1469-7610.2004.00215.x }}&lt;/ref&gt; A 2005 Swedish study of 78 adults that did not exclude low IQ found worse prognosis; for example, only 4% achieved independence.&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2005 |volume=35 |issue=3 |pages=351–60 |title=Autism after adolescence: population-based 13- to 22-year follow-up study of 120 individuals with autism diagnosed in childhood |author=Billstedt E, Gillberg C, Gillberg C |doi=10.1007/s10803-005-3302-5 |pmid=16119476 }}&lt;/ref&gt; A 2008 Canadian study of 48 young adults diagnosed with ASD as preschoolers found outcomes ranging through poor (46%), fair (32%), good (17%), and very good (4%); 56% of these young adults had been employed at some point during their lives, mostly in volunteer, sheltered or [[part-time]] work.&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2008 |volume=38 |issue=4 |pages=739–47 |title=Young adult outcome of autism spectrum disorders |author=Eaves LC, Ho HH |doi=10.1007/s10803-007-0441-x |pmid=17764027 }}&lt;/ref&gt; Changes in diagnostic practice and increased availability of effective early intervention make it unclear whether these findings can be generalized to recently diagnosed children.&lt;ref name=Newschaffer/&gt;

==Epidemiology==
{{Main|Epidemiology of autism}}
[[File:US-autism-6-17-1996-2007.png|thumb|left|alt=Bar chart versus time. The graph rises steadily from 1996 to 2007, from about 0.7 to about 5.3. The trend curves slightly upward.|Reports of autism cases per 1,000 children grew dramatically in the US from 1996 to 2007. It is unknown how much, if any, growth came from changes in autism's [[prevalence]].]]

Most recent [[review]]s tend to estimate a prevalence of 1–2 per 1,000 for autism and close to 6 per 1,000 for ASD,&lt;ref name=Newschaffer&gt;{{vcite journal |author=Newschaffer CJ, Croen LA, Daniels J ''et al.'' |author.= |title=The epidemiology of autism spectrum disorders |journal=Annu Rev Public Health |year=2007 |volume=28 |pages=235–58 |pmid=17367287 |doi=10.1146/annurev.publhealth.28.021406.144007 |url=http://idea.library.drexel.edu/bitstream/1860/2632/1/2006175339.pdf |format=PDF }}&lt;/ref&gt; and 11 per 1,000 children in the United States for ASD as of 2008;&lt;ref name=MMWR2012/&gt;&lt;ref name=Duchan &gt;{{vcite journal |author=Duchan E, Patel DR |title=Epidemiology of autism spectrum disorders |journal=Pediatr. Clin. North Am. |volume=59 |issue=1 |pages=27–43, ix–x |year=2012 |month=February |pmid=22284791 |doi=10.1016/j.pcl.2011.10.003}}&lt;/ref&gt; because of inadequate data, these numbers may underestimate ASD's true prevalence.&lt;ref name=Caronna/&gt; [[PDD-NOS]]'s prevalence has been estimated at 3.7 per 1,000, Asperger syndrome at roughly 0.6 per 1,000, and [[childhood disintegrative disorder]] at 0.02 per 1,000.&lt;ref name=Fombonne-2009&gt;{{vcite journal |author=Fombonne E |title=Epidemiology of pervasive developmental disorders |journal=Pediatr Res |volume=65 |issue=6 |pages=591–8 |year=2009 |pmid=19218885 |doi=10.1203/PDR.0b013e31819e7203 }}&lt;/ref&gt; The number of reported cases of autism increased dramatically in the 1990s and early 2000s. This increase is largely attributable to changes in diagnostic practices, referral patterns, availability of services, age at diagnosis, and public awareness,&lt;ref name=Fombonne-2009/&gt;&lt;ref&gt;{{vcite journal |author=Wing L, Potter D |title=The epidemiology of autistic spectrum disorders: is the prevalence rising? |title.= |journal=Ment Retard Dev Disabil Res Rev |volume=8 |issue=3 |year=2002 |pages=151–61 |pmid=12216059 |doi=10.1002/mrdd.10029 }}&lt;/ref&gt; though unidentified environmental risk factors cannot be ruled out.&lt;ref name=Rutter&gt;{{vcite journal |author=Rutter M |title=Incidence of autism spectrum disorders: changes over time and their meaning |journal=Acta Paediatr |volume=94 |issue=1 |year=2005 |pages=2–15 |pmid=15858952 |doi=10.1111/j.1651-2227.2005.tb01779.x }}&lt;/ref&gt; The available evidence does not rule out the possibility that autism's true prevalence has increased;&lt;ref name=Fombonne-2009/&gt; a real increase would suggest directing more attention and funding toward changing environmental factors instead of continuing to focus on genetics.&lt;ref name=Szpir/&gt;

Boys are at higher risk for ASD than girls. The sex ratio averages 4.3:1 and is greatly modified by cognitive impairment: it may be close to 2:1 with intellectual disability and more than 5.5:1 without.&lt;ref name=Newschaffer/&gt; Several theories about the higher prevalence in males have been investigated, but the cause of the difference is unconfirmed.&lt;ref name=Chaste/&gt;  Although the evidence does not implicate any single pregnancy-related risk factor as a cause of autism, the risk of autism is associated with advanced age in either parent, and with diabetes, bleeding, and use of psychiatric drugs in the mother during pregnancy.&lt;ref name=Chaste/&gt;&lt;ref&gt;{{vcite journal |author=Gardener H, Spiegelman D, Buka SL |title=Prenatal risk factors for autism: comprehensive meta-analysis |journal=Br J Psychiatry |volume=195 |issue=1 |pages=7–14 |year=2009 |pmid=19567888 |doi=10.1192/bjp.bp.108.051672 |pmc=3712619}}&lt;/ref&gt; The risk is greater with older fathers than with older mothers; two potential explanations are the known increase in mutation burden in older sperm, and the hypothesis that men marry later if they carry genetic liability and show some signs of autism.&lt;ref name=Geschwind-2009/&gt; Most professionals believe that race, ethnicity, and socioeconomic background do not affect the occurrence of autism.&lt;ref&gt;{{vcite journal |author=Bertoglio K, Hendren RL |title=New developments in autism |journal=Psychiatr Clin North Am |volume=32 |issue=1 |pages=1–14 |year=2009 |pmid=19248913 |doi=10.1016/j.psc.2008.10.004 }}&lt;/ref&gt;

Several other conditions are common in children with autism.&lt;ref name=Levy/&gt; They include:
* '''[[Genetic disorder]]s'''. About 10–15% of autism cases have an identifiable [[Mendelian]] (single-gene) condition, [[chromosome abnormality]], or other genetic syndrome,&lt;ref&gt;{{vcite journal |author=Folstein SE, Rosen-Sheidley B |title=Genetics of autism: complex aetiology for a heterogeneous disorder |journal=Nature Reviews Genetics |year=2001 |volume=2 |issue=12 |pages=943–55 |doi=10.1038/35103559 |pmid=11733747 }}&lt;/ref&gt; and ASD is associated with several genetic disorders.&lt;ref&gt;{{vcite journal |journal=Brain Dev |year=2007 |volume=29 |issue=5 |pages=257–72 |title=Childhood autism and associated comorbidities |author=Zafeiriou DI, Ververi A, Vargiami E |doi=10.1016/j.braindev.2006.09.003 |pmid=17084999 }}&lt;/ref&gt;
* '''[[Intellectual disability]]'''. The percentage of autistic individuals who also meet criteria for intellectual disability has been reported as anywhere from 25% to 70%, a wide variation illustrating the difficulty of assessing autistic intelligence.&lt;ref&gt;{{vcite book |chapter= Learning in autism |author= Dawson M, Mottron L, Gernsbacher MA |title= Learning and Memory: A Comprehensive Reference |volume=2 |pages=759–72 |editor= Byrne JH (ed.-in-chief), Roediger HL III (vol. ed.) |publisher= Academic Press |year=2008 |doi=10.1016/B978-012370509-9.00152-2 |isbn=0-12-370504-5 |chapterurl=http://psych.wisc.edu/lang/pdf/Dawson_AutisticLearning.pdf |accessdate=2008-07-26 |archiveurl=http://web.archive.org/web/20120303191513/http://psych.wisc.edu/lang/pdf/Dawson_AutisticLearning.pdf |archivedate= 2012-03-03}}&lt;/ref&gt; In comparison, for PDD-NOS the association with intellectual disability is much weaker,&lt;ref&gt;{{vcite journal |author= Chakrabarti S, Fombonne E |title= Pervasive developmental disorders in preschool children |journal=JAMA |year=2001 |volume=285 |issue=24 |pages=3093–9 |pmid=11427137 |url=http://jama.ama-assn.org/cgi/content/full/285/24/3093 |doi= 10.1001/jama.285.24.3093}}&lt;/ref&gt;  and by definition, the diagnosis of Asperger's excludes intellectual disability.&lt;ref&gt;{{cite book | title=DSM-IV-TR Diagnostical and Statistical Manual of Mental Disorders Fourth edition text revision | publisher=American Psychiatric Association, Washington DC | year=2000 | page=80}}&lt;/ref&gt;
* '''[[Anxiety disorder]]s''' are common among children with ASD; there are no firm data, but studies have reported prevalences ranging from 11% to 84%. Many anxiety disorders have symptoms that are better explained by ASD itself, or are hard to distinguish from ASD's symptoms.&lt;ref&gt;{{vcite journal |author=White SW, Oswald D, Ollendick T, Scahill L |title=Anxiety in children and adolescents with autism spectrum disorders |journal=Clin Psychol Rev |volume=29 |issue=3 |pages=216–29 |year=2009 |pmid=19223098 |doi=10.1016/j.cpr.2009.01.003 |pmc=2692135 }}&lt;/ref&gt;
* '''[[Epilepsy]]''', with variations in risk of epilepsy due to age, cognitive level, and type of [[language disorder]].&lt;ref&gt;{{vcite journal |journal=Pediatr Res |year=2009 |volume=65 |issue=6 |pages=599–606 |title=The role of epilepsy and epileptiform EEGs in autism spectrum disorders |author=Spence SJ, Schneider MT |doi=10.1203/PDR.0b013e31819e7168 |pmid=19454962 |pmc=2692092}}&lt;/ref&gt;
* Several '''[[metabolic defect]]s''', such as [[phenylketonuria]], are associated with autistic symptoms.&lt;ref name=Manzi&gt;{{vcite journal |journal=J Child Neurol |year=2008 |volume=23 |issue=3 |pages=307–14 |title=Autism and metabolic diseases |author=Manzi B, Loizzo AL, Giana G, Curatolo P |doi=10.1177/0883073807308698 |pmid=18079313 }}&lt;/ref&gt;
* '''[[Minor physical anomalies]]''' are significantly increased in the autistic population.&lt;ref&gt;{{vcite journal |journal=Mol Psychiatry |year=2010 |volume=15 |issue=3 |pages=300–7 |title=Minor physical anomalies in autism: a meta-analysis |author=Ozgen HM, Hop JW, Hox JJ, Beemer FA, van Engeland H |doi=10.1038/mp.2008.75 |pmid=18626481 }}&lt;/ref&gt;
* '''Preempted diagnoses'''. Although the DSM-IV rules out concurrent diagnosis of many other conditions along with autism, the full criteria for [[Attention deficit hyperactivity disorder|Attention deficit hyperactivity disorder (ADHD)]], [[Tourette syndrome]], and other of these conditions are often present and these [[Conditions comorbid to autism spectrum disorders|comorbid diagnoses]] are increasingly accepted.&lt;ref&gt;{{vcite journal |journal=Eur J Pediatr |year=2008 |title=What's new in autism? |title.= |author=Steyaert JG, De La Marche W |doi=10.1007/s00431-008-0764-4 |pmid=18597114 |volume=167 |issue=10 |pages=1091–101 }}&lt;/ref&gt;
* '''Sleep problems''' affect about two-thirds of individuals with ASD at some point in childhood. These most commonly include symptoms of [[insomnia]] such as difficulty in falling asleep, frequent [[middle-of-the-night insomnia|nocturnal awakenings]], and early morning awakenings. Sleep problems are associated with difficult behaviors and family stress, and are often a focus of clinical attention over and above the primary ASD diagnosis.&lt;ref&gt;{{vcite journal |author=Richdale AL, Schreck KA |title=Sleep problems in autism spectrum disorders: prevalence, nature, &amp; possible biopsychosocial aetiologies |journal=Sleep Med Rev |volume=13 |issue=6 |pages=403–11 |year=2009 |pmid=19398354 |doi=10.1016/j.smrv.2009.02.003 }}&lt;/ref&gt;

==History==
{{further|History of Asperger syndrome}}
[[File:Leo-Kanner.jpeg|thumb|upright|alt=Head and shoulders of a man in his early 60s in coat and tie, facing slightly to his right. He is balding and has a serious but slightly smiling expression.|[[Leo Kanner]] introduced the label ''early infantile autism'' in 1943.]]
A few examples of autistic symptoms and treatments were described long before autism was named. The ''[[Table Talk (Luther)|Table Talk]]'' of [[Martin Luther]], compiled by his notetaker, Mathesius, contains the story of a 12-year-old boy who may have been severely autistic.&lt;ref&gt;{{vcite journal |journal=Autism |volume=1 |issue=1 |pages=13–23 |year=1997 |doi=10.1177/1362361397011004 |title=The history of ideas on autism: legends, myths and reality |author=[[Lorna Wing|Wing L]]}}&lt;/ref&gt; Luther reportedly thought the boy was a soulless mass of flesh possessed by the devil, and suggested that he be suffocated, although a later critic has cast doubt on the veracity of this report.&lt;ref&gt;{{vcite web |author=Miles M |year=2005 |title=Martin Luther and childhood disability in 16th century Germany: what did he write? what did he say? |title.= |publisher=Independent Living Institute |url=http://www.independentliving.org/docs7/miles2005b.html |accessdate=2008-12-23 }}&lt;/ref&gt; The earliest well-documented case of autism is that of Hugh Blair of Borgue, as detailed in a 1747 court case in which his brother successfully petitioned to annul Blair's marriage to gain Blair's inheritance.&lt;ref&gt;{{vcite book |author=Houston R, Frith U |title=Autism in History: The Case of Hugh Blair of Borgue |year=2000 |publisher=Blackwell |isbn=0-631-22089-5 }}&lt;/ref&gt; The [[Wild Boy of Aveyron]], a [[feral child]] caught in 1798, showed several signs of autism; the medical student [[Jean Marc Gaspard Itard|Jean Itard]] treated him with a behavioral program designed to help him form social attachments and to induce speech via imitation.&lt;ref name=Wolff&gt;{{vcite journal |journal=Eur Child Adolesc Psychiatry |year=2004 |volume=13 |issue=4 |pages=201–8 |title=The history of autism |author=Wolff S |doi=10.1007/s00787-004-0363-5 |pmid=15365889 }}&lt;/ref&gt;

The [[New Latin]] word ''autismus'' (English translation ''autism'') was coined by the [[Swiss]] psychiatrist [[Eugen Bleuler]] in 1910 as he was defining symptoms of [[schizophrenia]]. He derived it from the Greek word ''autós'' (αὐτός, meaning ''self''), and used it to mean morbid self-admiration, referring to &quot;autistic withdrawal of the patient to his fantasies, against which any influence from outside becomes an intolerable disturbance&quot;.&lt;ref&gt;{{vcite journal |author=Kuhn R; tr. Cahn CH |title=Eugen Bleuler's concepts of psychopathology |journal=Hist Psychiatry |volume=15 |issue=3 |year=2004 |pages=361–6 |doi=10.1177/0957154X04044603 |pmid=15386868 }} The quote is a translation of Bleuler's 1910 original.&lt;/ref&gt;

The word ''autism'' first took its modern sense in 1938 when [[Hans Asperger]] of the [[Vienna General Hospital|Vienna University Hospital]] adopted Bleuler's terminology ''autistic psychopaths'' in a lecture in German about [[child psychology]].&lt;ref&gt;{{vcite journal |journal=Wien Klin Wochenschr |year=1938 |volume=51 |pages=1314–7 |trans_title=The psychically abnormal child |author=[[Hans Asperger|Asperger H]] |language=German }}&lt;/ref&gt; Asperger was investigating an ASD now known as [[Asperger syndrome]], though for various reasons it was not widely recognized as a separate diagnosis until 1981.&lt;ref name=Wolff/&gt; [[Leo Kanner]] of the [[Johns Hopkins Hospital]] first used ''autism'' in its modern sense in English when he introduced the label ''early infantile autism'' in a 1943 report of 11 children with striking behavioral similarities.&lt;ref name=Kanner1943&gt;{{vcite journal |author=[[Leo Kanner|Kanner L]] |title=Autistic disturbances of affective contact |journal=Nerv Child |volume=2 |pages=217–50 |year=1943 }} Reprinted in {{vcite journal |year=1968 |journal=Acta Paedopsychiatr |volume=35 |issue=4 |pages=100–36 |pmid=4880460 |author=&lt;!-- Pacify Citation bot. --&gt; |title=&lt;!-- Pacify Citation bot. --&gt; }}&lt;/ref&gt; Almost all the characteristics described in Kanner's first paper on the subject, notably &quot;autistic aloneness&quot; and &quot;insistence on sameness&quot;, are still regarded as typical of the autistic spectrum of disorders.&lt;ref name=HappeTime/&gt; It is not known whether Kanner derived the term independently of Asperger.&lt;ref name=Lyons&gt;{{vcite journal |journal=J Autism Dev Disord |year=2007 |volume=37 |issue=10 |pages=2022–3 |title=Asperger (1906–1980) and Kanner (1894–1981), the two pioneers of autism |author=Lyons V, Fitzgerald M |doi=10.1007/s10803-007-0383-3 |pmid=17922179 }}&lt;/ref&gt;

Kanner's reuse of ''autism'' led to decades of confused terminology like ''infantile schizophrenia'', and child psychiatry's focus on maternal deprivation led to misconceptions of autism as an infant's response to &quot;[[refrigerator mother]]s&quot;. Starting in the late 1960s autism was established as a separate syndrome by demonstrating that it is lifelong, distinguishing it from intellectual disability and schizophrenia and from other developmental disorders, and demonstrating the benefits of involving parents in active programs of therapy.&lt;ref&gt;{{vcite journal |journal=Can J Psychiatry |year=2003 |volume=48 |issue=8 |pages=503–5 |title=Modern views of autism |author=Fombonne E |pmid=14574825 |url=http://ww1.cpa-apc.org:8080/Publications/Archives/CJP/2003/september/guesteditorial.asp }}&lt;/ref&gt; As late as the mid-1970s there was little evidence of a genetic role in autism; now it is thought to be one of the most heritable of all psychiatric conditions.&lt;ref&gt;{{vcite book |chapter=Genetic epidemiology of autism spectrum disorders |author=[[Peter Szatmari|Szatmari P]], Jones MB |pages=157–78 |title=Autism and Pervasive Developmental Disorders |edition=2nd |editor=Volkmar FR |publisher=Cambridge University Press |year=2007 |isbn=0-521-54957-4 }}&lt;/ref&gt; Although the rise of parent organizations and the destigmatization of childhood ASD have deeply affected how we view ASD,&lt;ref name=Wolff/&gt; parents continue to feel [[social stigma]] in situations where their autistic children's behaviors are perceived negatively by others,&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2008 |title=Adult attitudes toward behaviors of a six-year-old boy with autism |author=Chambres P, Auxiette C, Vansingle C, Gil S |doi=10.1007/s10803-007-0519-5 |pmid=18297387 |volume=38 |issue=7 |pages=1320–7 }}&lt;/ref&gt; and many [[primary care physician]]s and [[medical specialist]]s still express some beliefs consistent with outdated autism research.&lt;ref&gt;{{vcite journal |journal=J Autism Dev Disord |year=2005 |volume=35 |issue=3 |pages=323–30 |title=A survey of autism knowledge in a health care setting |author=Heidgerken AD, Geffken G, Modi A, Frakey L |doi=10.1007/s10803-005-3298-x |pmid=16119473 }}&lt;/ref&gt;

The Internet has helped autistic individuals bypass nonverbal cues and emotional sharing that they find so hard to deal with, and has given them a way to form online communities and work remotely.&lt;ref&gt;{{vcite journal |author=Biever C |title=Web removes social barriers for those with autism |journal=New Sci |issue=2610 |pages=26–7 |date=2007 |url=http://www.newscientist.com/article/mg19426106.100 }}&lt;/ref&gt; [[Sociological and cultural aspects of autism]] have developed: some in the community seek a cure, while others believe that [[Neurodiversity|autism is simply another way of being]].&lt;ref name=Silverman&gt;{{vcite journal |journal=Biosocieties |year=2008 |volume=3 |issue=3 |pages=325–41 |title=Fieldwork on another planet: social science perspectives on the autism spectrum |author=Silverman C |doi=10.1017/S1745855208006236 }}&lt;/ref&gt;&lt;ref&gt;{{vcite news |author=Harmon A |title=How about not 'curing' us, some autistics are pleading |date=20 December 2004 |work=The New York Times |url=http://www.nytimes.com/2004/12/20/health/20autism.html }}&lt;/ref&gt;

==References==
{{reflist|30em}}

==External links==
{{sisterlinks|d=Q38404|s=no|n=Category:Autism|wikt=autism|species=no|voy=no|m=no|mw=no|q=no|v=no}}
* {{dmoz|Health/Mental_Health/Disorders/Neurodevelopmental/Autism_Spectrum}}

{{featured article}}
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[[Category:Autism| ]]
[[Category:Communication disorders]]
[[Category:Mental and behavioural disorders]]
[[Category:Neurological disorders]]
[[Category:Neurological disorders in children]]
[[Category:Pervasive developmental disorders]]
[[Category:Psychiatric diagnosis]]
[[Category:Learning disabilities]]

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      <text xml:space="preserve">'''Shemonaikha''' ({{lang-ru|Шемонаиха}}, {{lang-kz|Шемонаиха}}) is a [[town]] in [[Shemonaikha District]] in [[East Kazakhstan Province]] of eastern [[Kazakhstan]]. Population: {{Kz-census2009|10,129|punct=;}} {{Kz-census1999|11,903|punct=.}} 

==References==
{{Reflist}}

{{East Kazakhstan Province}}

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    <title>E.A.P. Edirisingha (Pvt) Ltd.</title>
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      <comment>Kuru moved page [[E.A.P. Edirisingha (Pvt) Ltd.]] to [[EAP Holdings]]: current common name</comment>
      <text xml:space="preserve">#REDIRECT [[EAP Holdings]]
{{R from move}}</text>
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      <text xml:space="preserve">== Licensing ==
{{PD-textlogo}}</text>
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      <comment>Uploading a piece of non-free cover art using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]</comment>
      <text xml:space="preserve">==Summary==
{{Non-free use rationale 2
|Description = Cover of the album High Wire by Rob Brown
|Source = AMG
|Author = Maria Bonandrini
|Article = High Wire (album)
|Purpose = to serve as the primary means of visual identification at the top of the article dedicated to the work in question.
|Replaceability = n.a.
|Minimality = To identify the album
|Commercial = n.a.
}}

==Licensing==
{{Non-free album cover}}</text>
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      <comment>[[WP:AES|←]]Redirected page to [[Barkhad Abdi]]</comment>
      <text xml:space="preserve">#redirect[[Barkhad Abdi]]</text>
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    <title>Bobsleigh at the 1984 Winter Olympics – Two-man</title>
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      <comment>/* Results */</comment>
      <text xml:space="preserve">{{Infobox Olympic event
|event = Two-man
|games = 1984 Winter
|image = [[Image:Bobsleigh pictogram.svg|80px]]
|caption = Bobsleigh
|venue = [[Sarajevo Olympic Bobsleigh and Luge Track]]
|dates = February 10 — 11
|competitors = 56
|nations = 28
|win_value = 3:25.56
|gold = {{FlagIOC|GDR|1984 Winter}}&lt;br/&gt;[[Wolfgang Hoppe]], [[Dietmar Schauerhammer]]
|silver = {{FlagIOC|GDR|1984 Winter}}&lt;br/&gt;[[Bernhard Lehmann]], [[Bogdan Musiol]]
|bronze = {{FlagIOC|URS|1984 Winter}}&lt;br/&gt;[[Zintis Ekmanis]], [[Vladimir Aleksandrov]]
|prev = [[Bobsleigh at the 1980 Winter Olympics – Two-man|1980]]
|next = [[Bobsleigh at the 1988 Winter Olympics – Two-man|1988]]
|}}

The '''Men's two-man [[bobsleigh]]''' competition at the '''[[1984 Winter Olympics]]''' in [[Sarajevo]], [[Socialist Federal Republic of Yugoslavia|Yugoslavia]] was held on 10 and 11 February, at the [[Sarajevo Olympic Bobsleigh and Luge Track]] on the mountain of [[Trebević]].

==Results==

27 of the 28 two-man teams entered for the event completed all four runs

{| class=&quot;wikitable sortable&quot; style=&quot;text-align:center&quot;
! Rank !! Country !! Athletes!! Run 1 !! Run 2 !! Run 3 !! Run 4 !! Total 
|-
| {{Hs|1}}[[Image:Gold medal icon.svg]]|| align=&quot;left&quot;| {{FlagIOC|GDR|1984 Winter|GDR-2}} || align=&quot;left&quot;| &lt;small&gt;[[Wolfgang Hoppe]] &lt;br/&gt; [[Dietmar Schauerhammer]]|| 51.51 || 51.93 || 51.06 || 51.06 || 3:25.56
|-
| {{Hs|2}}[[Image:Silver medal icon.svg]]|| align=&quot;left&quot;| {{FlagIOC|GDR|1984 Winter|GDR-1}} || align=&quot;left&quot;| &lt;small&gt;[[Bernhard Lehmann]] &lt;br/&gt; [[Bogdan Musiol]]|| 51.59 || 51.94 || 51.15 || 51.36 || 3:26.04
|-
| {{Hs|3}}[[Image:Bronze medal icon.svg]] || align=&quot;left&quot;| {{FlagIOC|URS|1984 Winter|URS-2}} || align=&quot;left&quot;| &lt;small&gt;[[Zintis Ekmanis]] &lt;br/&gt; [[Vladimir Aleksandrov]]|| 51.56 || 52.10 || 51.24 || 51.26 || 3:26.16
|-
| 4 || align=&quot;left&quot;| {{FlagIOC|URS|1984 Winter|URS-1}} || align=&quot;left&quot;| &lt;small&gt;[[Jānis Ķipurs]] &lt;br/&gt; [[Aivars Šnepsts]]|| 52.06 || 51.92 || 51.30 || 51.14 || 3:26.42
|-
| 5 || align=&quot;left&quot;| {{FlagIOC|SUI|1984 Winter|SUI-1}} || align=&quot;left&quot;| &lt;small&gt;[[Hans Hiltebrand]] &lt;br/&gt; [[Meinrad Müller]]|| 51.73 || 52.21 || 51.35 || 51.47 || 3:26.76
|-
| 6 || align=&quot;left&quot;| {{FlagIOC|SUI|1984 Winter|SUI-2}} || align=&quot;left&quot;| &lt;small&gt;[[Ralph Pichler]] &lt;br/&gt; [[Rico Freiermuth]]|| 52.21 || 52.21 || 51.84 || 51.97 || 3:28.23
|-
| 7 || align=&quot;left&quot;| {{FlagIOC|ITA|1984 Winter|ITA-1}} || align=&quot;left&quot;| &lt;small&gt;[[Guerrino Ghedina]] &lt;br/&gt; [[Andrea Meneghin]]|| 52.40 || 52.46 || 51.82 || 52.41 || 3:29.09
|-
| 8 || align=&quot;left&quot;| {{FlagIOC|FRG|1984 Winter|FRG-1}} || align=&quot;left&quot;| &lt;small&gt;[[Anton Fischer]] &lt;br/&gt; [[Hans Metzler]]|| 52.29 || 52.25 || 52.18 || 52.46 || 3:29.18
|-
| 9 || align=&quot;left&quot;| {{FlagIOC|ITA|1984 Winter|ITA-2}} || align=&quot;left&quot;| &lt;small&gt;[[Marco Bellodis]] &lt;br/&gt; [[Stefano Ticci]]|| 52.69 || 52.73 || 52.28 || 52.32 || 3:30.02
|-
| 10 || align=&quot;left&quot;| {{FlagIOC|GBR|1984 Winter|GBR-2}} || align=&quot;left&quot;| &lt;small&gt;[[Gomer Lloyd]] &lt;br/&gt; [[Peter Brugnani]]|| 52.80 || 52.73 || 52.26 || 52.57 || 3:30.36
|-
| 11 || align=&quot;left&quot;| {{FlagIOC|FRG|1984 Winter|FRG-2}} || align=&quot;left&quot;| &lt;small&gt;[[Andreas Weikenstorfer]] &lt;br/&gt; [[Hans-Jürgen Hartmann]]|| 52.31 || 53.05 || 52.60 || 52.45 || 3:30.41
|-
| 12 || align=&quot;left&quot;| {{FlagIOC|AUT|1984 Winter|AUT-1}} || align=&quot;left&quot;| &lt;small&gt;[[Walter Delle Karth]] &lt;br/&gt; [[Hans Lindner]]|| 52.61 || 53.01 || 52.33 || 52.64 || 3:30.59
|-
| 13 || align=&quot;left&quot;| {{FlagIOC|AUT|1984 Winter|AUT-2}} || align=&quot;left&quot;| &lt;small&gt;[[Peter Kienast]] &lt;br/&gt; [[Christian Mark]]|| 52.79 || 52.97 || 52.42 || 52.47 || 3:30.65
|-
| 14 || align=&quot;left&quot;| {{FlagIOC|CAN|1984 Winter}} || align=&quot;left&quot;| &lt;small&gt;[[Alan MacLachlan]] &lt;br/&gt; [[Robert Wilson (bobsleigh)|Robert Wilson]]|| 52.77 || 53.04 || 52.14 || 52.79 || 3:30.74
|-
| 15 || align=&quot;left&quot;| {{FlagIOC|USA|1984 Winter|USA-1}} || align=&quot;left&quot;| &lt;small&gt;[[Brent Rushlaw]] &lt;br/&gt; [[James Tyler]]|| 53.01 || 52.99 || 52.35 || 52.40 || 3:30.75
|-
| 16 || align=&quot;left&quot;| {{FlagIOC|NED|1984 Winter}} || align=&quot;left&quot;| &lt;small&gt;[[Job van Oostrum]] &lt;br/&gt; [[John Drost]]|| 52.86 || 53.58 || 52.79 || 52.76 || 3:31.99
|-
| 17 || align=&quot;left&quot;| {{FlagIOC|USA|1984 Winter|USA-2}} || align=&quot;left&quot;| &lt;small&gt;[[Frederick Fritsch]] &lt;br/&gt; [[Wayne DeAtley]]|| 53.47 || 53.32 || 52.63 || 52.78 || 3:32.20
|-
| 18 || align=&quot;left&quot;| {{FlagIOC|ROU|1984 Winter|ROU-2}} || align=&quot;left&quot;| &lt;small&gt;[[Ion Duminicel]] &lt;br/&gt; [[Costel Petrariu]]|| 53.18 || 53.26 || 52.63 || 53.29 || 3:32.36
|-
| 19 || align=&quot;left&quot;| {{FlagIOC|SWE|1984 Winter}} || align=&quot;left&quot;| &lt;small&gt;[[Carl-Erik Eriksson]] &lt;br/&gt; [[Nils Stefansson]]|| 53.13 || 53.56 || 53.04 || 52.88 || 3:32.61
|-
| 20 || align=&quot;left&quot;| {{FlagIOC|JPN|1984 Winter|JPN-1}} || align=&quot;left&quot;| &lt;small&gt;[[Hiroshi Okachi]] &lt;br/&gt; [[Yuji Yaku]]|| 53.29 || 53.37 || 53.15 || 53.15 || 3:32.96
|-
| 21 || align=&quot;left&quot;| {{FlagIOC|GBR|1984 Winter|GBR-1}} || align=&quot;left&quot;| &lt;small&gt;[[Tom De La Hunty]] &lt;br/&gt; [[Peter Lund]]|| 53.17 || 53.34 || 53.53 || 53.09 || 3:33.13
|-
| 22 || align=&quot;left&quot;| {{FlagIOC|YUG|1984 Winter|YUG-2}} || align=&quot;left&quot;| &lt;small&gt;[[Zdravko Stojnić]] &lt;br/&gt; [[Siniša Tubić]]|| 53.76 || 54.09 || 52.82 || 53.05 || 3:34.02
|-
| 23 || align=&quot;left&quot;| {{FlagIOC|ROU|1984 Winter|ROU-1}} || align=&quot;left&quot;| &lt;small&gt;[[Dorin Degan]] &lt;br/&gt; [[Cornel Popescu]]|| 53.90 || 53.57 || 53.18 || 53.41 || 3:34.06
|-
| 24 || align=&quot;left&quot;| {{FlagIOC|YUG|1984 Winter|YUG-1}} || align=&quot;left&quot;| &lt;small&gt;[[Boris Rađenović]] &lt;br/&gt; [[Nikola Korica]]|| 53.85 || 54.01 || 53.05 || 53.22 || 3:34.13
|-
| 25 || align=&quot;left&quot;| {{FlagIOC|TPE|1984 Winter|TPE-1}} || align=&quot;left&quot;| &lt;small&gt;[[Wu Dien-Cheng]] &lt;br/&gt; [[Chen Chin-San]]|| 53.90 || 53.64 || 53.08 || 53.71 || 3:34.35
|-
| 26 || align=&quot;left&quot;| {{FlagIOC|TPE|1984 Winter|TPE-2}} || align=&quot;left&quot;| &lt;small&gt;[[Wu Chung-Chou]] &lt;br/&gt; [[Hwang Chi-Fang]]|| 54.53 || 54.12 || 53.35 || 53.44 || 3:35.44
|-
| 27 || align=&quot;left&quot;| {{FlagIOC|JPN|1984 Winter|JPN-2}} || align=&quot;left&quot;| &lt;small&gt;[[Yuji Funayama]] &lt;br/&gt; [[Satoshi Sugawara]]|| 54.52 || 54.23 || 53.50 || 53.88 || 3:36.13
|-
| {{sort|99|}} || align=&quot;left&quot;| {{FlagIOC|FRA|1984 Winter}} || align=&quot;left&quot;| &lt;small&gt;[[Gérard Christaud-Pipola]] &lt;br/&gt; [[Patrick Lachaud]]|| {{sort|99.99|}} || {{sort|99.99|}} || {{sort|99.99|}} || {{sort|99.99|}} || {{sort|999.99|DNS}}
|}

==External Links==
*[http://www.la84foundation.org/5va/reports_frmst.htm Official Olympic Report]
*[http://www.sports-reference.com/olympics/winter/1984/BOB/mens-two.html sports-reference]
*[http://www.todor66.com/olim/1984w/Bobsleigh_Doubles.html Sport Statistics - International Competitions Archive]

{{Footer Olympic Champions Bobsleigh Two-man}}

{{DEFAULTSORT:Bobsleigh at the 1984 Winter Olympics - Two-man}}
[[Category:Bobsleigh at the 1984 Winter Olympics]]</text>
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    <title>Robin Soudek</title>
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      <comment>Create article</comment>
      <text xml:space="preserve">{{Use mdy dates}}
{{Infobox ice hockey player
| name = Robin Soudek
| image = 
| caption =
| image_size = 225px
| team = [[Denver Cutthroats]]
| league = [[Central Hockey League|CHL]] 
| prospect_team = 
| prospect_league = 
| former_teams = [[HC České Budějovice]]
| position = [[Forward (ice hockey)|Forward]]
| birth_date = {{birth date and age|1991|07|31}}
| birth_place = [[Ceske Budejovice]], [[Czech Republic]]
| shoots = Right
| height_ft = 6
| height_in = 2
| weight_lb = 185
| draft = Undrafted
| career_start = 2012
| career_end =
}}
'''Robin Soudek''' (born July 31, 1991) is a [[Czech Republic|Czech]] professional [[ice hockey]] player. He is currently playing in the [[Central Hockey League]] (CHL) with the [[Denver Cutthroats]].

Soudek played 11 games with [[HC České Budějovice]] of the [[Czech Extraliga]] during the 2012-13 season.

==References==
*{{eliteprospects|19354|Robin Soudek}}
*{{hockeydb|116183|Robin Soudek}}

{{Persondata &lt;!-- Metadata: see [[Wikipedia:Persondata]]. --&gt;
| NAME = Soudek, Robin
| ALTERNATIVE NAMES = 
| SHORT DESCRIPTION = Czech ice hockey player
| DATE OF BIRTH = July 31, 1991
| PLACE OF BIRTH = [[Ceske Budejovice]], [[Czech Republic]]
| DATE OF DEATH = 
| PLACE OF DEATH = 
}}
{{DEFAULTSORT:Soudek, Robin}}
[[Category:1991 births]]
[[Category:Living people]]
[[Category:Chilliwack Bruins players]]
[[Category:Czech ice hockey players]]
[[Category:Denver Cutthroats players]]
[[Category:Edmonton Oil Kings players]]
[[Category:HC České Budějovice players]]
[[Category:Lake Erie Monsters players]]
[[Category:Victoria Royals players]]

{{CzechRepublic-icehockey-bio-stub}}</text>
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    <title>Category:Victoria Royals players</title>
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      <comment>added [[Category:Western Hockey League players]] using [[WP:HC|HotCat]]</comment>
      <text xml:space="preserve">The [[Victoria Royals]] are a major junior hockey team representing Victoria, British Columbia, in the [[Western Hockey League]] (WHL).

[[Category:Western Hockey League players]]</text>
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    <title>Category:Breton political party symbols</title>
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      <comment>[[WP:AES|←]]Created page with 'The symbols of political parties in Brittany.  [[Category:Political parties in Brittany]] [[Category:Political logos]]'</comment>
      <text xml:space="preserve">The symbols of political parties in Brittany.

[[Category:Political parties in Brittany]]
[[Category:Political logos]]</text>
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      <comment>[[WP:AES|←]]Created page with '{{subst:PR/subst}} {{Peer review page|topic=geography}} I've listed this article for peer review because the first time I visited it was a real mess - it lacked...'</comment>
      <text xml:space="preserve">===[[Wikipedia:Peer review/Penge/archive1|Penge]]===
&lt;!--
Toolbox not included on PR page--&gt;&lt;noinclude&gt;{{Peer review tools|Penge}}&lt;/noinclude&gt;
:{{PR/heading|Penge| Wikipedia:Peer review/Penge/archive1|March 2014}}&lt;!--
Please do not use level 1-3 section headings or horizontal rules in this peer review. Please do not include any images, such as done/not done templates with tick/cross graphics, and do not paste in semi-automated peer reviews below: link to them instead. Peer review pages should not be moved.
--&gt;
{{Peer review page|topic=geography}}
I've listed this article for peer review because the first time I visited it was a real mess - it lacked references and contained much anecdotal material.  As I was born there I thought Penge should at least have an accurate Wikipedia entry and have done my best to improve it (with the help of other editors and despite the odd vandal).  

I feel that it is now in reasonable shape and would like views on what needs to be done to improve it further.  For a comparatively small area, is this article of excessive size or should the virtually unlimited space on Wikipedia keep being filled, as long as  it is factual and referenced? Are there any omissions? 

Along the way I have found that the Library at the House of Commons most helpful with such things as Ordnance Survey maps made for Electoral Boundary Redistribution which can fill the gaps between normal OS editions.
Thanks, [[User:Bebofpenge|Bebofpenge]] ([[User talk:Bebofpenge|talk]]) 12:40, 5 March 2014 (UTC)</text>
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      <comment>[[WP:AES|←]]Redirected page to [[Pompiliodes aliena]]</comment>
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      <comment>Creating deletion discussion page for [[User:Madebesi/Sbusiso Xaba]].</comment>
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====[[User:Madebesi/Sbusiso Xaba]]====
:{{pagelinks|User:Madebesi/Sbusiso Xaba}}
Unsourced, promotional [[WP:FAKEARTICLE]]. The creation of this page in 2009 was the user's only edit. [[User:MER-C|MER-C]] 12:41, 5 March 2014 (UTC)</text>
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    <title>Gossip girls</title>
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==References==
&lt;references /&gt;
&lt;!--- After listing your sources please cite them using inline citations and place them after the information they cite. Please see http://en.wikipedia.org/wiki/Wikipedia:REFB for instructions on how to add citations. ---&gt;
*
*
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&lt;!--- STOP! Be warned that by using this process instead of Articles for Creation, this article is subject to scrutiny. As an article in &quot;mainspace&quot;, it will be DELETED if there are problems, not just declined. If you wish to use AfC, please return to the Wizard and continue from there. ---&gt;</text>
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| title = The early anomodont ''Venjukovia'' and the evolution of the anomodont skull
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