Anti-communism

Anti-communism is opposition to communism as a political ideology, movement, or system of government. It has taken liberal, conservative, religious, nationalist, and authoritarian forms.

Russian Revolution: The 1917 revolutions that ended the Russian monarchy and brought the Bolsheviks to power. The Bolshevik seizure of power turned opposition to communism into an international political force.
Containment: A United States strategy to prevent the expansion of Soviet influence and communist power. Containment translated opposition to communism into a long-term foreign-policy doctrine.
Winston Churchill: British prime minister and wartime leader who warned in 1946 that a Soviet-controlled division had descended across Europe. His postwar rhetoric helped frame Soviet expansion as a threat to European freedom.
Anti-fascism: Political opposition to fascist movements, regimes, and doctrines. Anti-fascists and anti-communists sometimes cooperated, but often treated each other as political threats.
Bolshevism: A revolutionary Marxist movement led by Vladimir Lenin that established Soviet rule in Russia. Bolshevism became the early model that many anti-communists opposed.
Domino theory: The belief that one country's adoption of communism could cause neighboring countries to follow. This theory supplied a regional chain-reaction rationale for anti-communist intervention.
Joseph McCarthy: A U.S. senator whose claims about communist infiltration helped spur investigations and political purges in the early 1950s. His name became inseparable from the domestic politics of anti-communist accusation.
Liberalism: A political tradition emphasizing individual rights, constitutional government, and limits on power. Liberal anti-communism defended pluralist democracy, unlike authoritarian opposition to communism.
Red Scare: A period of heightened fear and repression directed at suspected communist influence in the United States. The first Red Scare shows how anti-communism shaped domestic politics after the Russian Revolution.
House Un-American Activities Committee: A U.S. House committee that investigated alleged subversion and communist influence, especially during the Cold War. Its investigations show how anti-communism operated through congressional scrutiny and public exposure.

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