What was the relationship between Joseph McCarthy and Communism? Why was McCarthy successful, and what finally resulted in his downfall?

McCarthyism is the practice of making accusations of subversion or treason, especially when related to communism. The term refers to U.S. senator Joseph McCarthy (R-Wisconsin) and has its origins in the period in the United States known as the Second Red Scare, lasting from the late 1940s through the 1950s.

Despite McCarthy's acquittal of misconduct in the Schine matter, the Army–McCarthy hearings ultimately became the main catalyst in McCarthy's downfall from political power. On December 2, 1954, the Senate voted 67–22 to censure McCarthy, effectively eradicating his influence, though not expelling him from office.

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