Who was the US senator who claimed he had the names of the "card-carrying communists' in the US State Department?

Question

Quizplus · Accepted Answer

Joseph McCarthy was the US senator who claimed to have a list of names of "card-carrying communists" working in the US government, particularly in the State Department. This period came to be known as the McCarthy Era, characterized by accusations of communist sympathies and infiltrations in various US institutions, resulting in the persecution and blacklisting of many individuals.

Who Was the US Senator Who Claimed He Had the Names