Answer :
Final answer:
Joseph McCarthy, a Senator from Wisconsin, was known for his involvement in McCarthyism, a period marked by intense anti-communist fears and accusations.
Explanation:
Joseph McCarthy, a Republican Senator from Wisconsin, was known for his involvement in McCarthyism - a period of intense anti-communist fear and accusations in the early 1950s. McCarthy employed unfair tactics, such as making unsupported allegations of communist infiltration within the government and society, without providing substantial evidence.
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