Who rose to power and fell just as quickly by claiming the U.S. government was infiltrated by Communists?

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Joseph McCarthy, a U.S. Senator, rose to prominence in the early 1950s by claiming that the U.S. government and other institutions were infiltrated by Communists. His aggressive investigations and accusations led to a period of fear and political repression known as McCarthyism. However, his influence waned rapidly after the Army-McCarthy hearings in 1954, which exposed his tactics to the public and led to his censure by the Senate.

Who Rose to Power and Fell Just as Quickly by Claiming