What does the term McCarthyism mean? Answer: The term McCarthyism refers to a period in American history during the late 1940s and 1950s, characterized by a widespread fear of communism and a campaign against alleged communists and Soviet sympathizers, led by Senator Joseph McCarthy. Senator Joseph McCarthy was an American politician who claimed to have a list of names of people in the US government who were associated with communism. He conducted numerous hearings and investigations into alleged communist activities, targeting individuals in government, the entertainment industry, and the media. The tactics used by McCarthy and his followers included public accusations, guilt by association, and the use of government power to investigate, prosecute, and punish individuals deemed to be associated with communism. These tactics had a chilling effect on freedom of speech and expression, and many individuals were falsely accused and blacklisted without any evidence. Eventually, McCarthy's tactics and unsupported claims were discredited, and his support dwindled. The term "McCarthyism" is now used to describe any accusation, investigation, or prosecution perceived to be based on unsupported or false claims or on ideological or political grounds, rather than on evidence and facts.