AP US History
McCarthyism refers to accusations without evidence aimed at rooting out communists within American society and government during the Cold War era. Named after Senator Joseph McCarthy, it is synonymous with baseless allegations and scare tactics.
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McCarthyism emerged in the United States during the early 1950s, at the height of Cold War tensions between the U.S. and the Soviet Union. Senator Joseph McCarthy capitalized on national fears of communism by claiming that numerous communists and Soviet spies had infiltrated the U.S. government and other institutions. His aggressive and unsubstantiated accusations led to a widespread campaign against alleged communists.
McCarthyism significantly impacted American society by instigating a widespread culture of fear and paranoia. It led to heightened suspicion, censorship, and unjust persecution of individuals within government, entertainment, education, and other sectors. The term "McCarthyism" has since become synonymous with baseless accusations and anti-communist hysteria, reflecting broader themes of ideological conflict and repression during the Cold War era.