Question

Joseph McCarthy gained public attention by

Answer 1

Joseph McCarthy gained public attention by claiming to have a list of communists in the government.

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Answer 2

Answer

BY charging that Communists had infiltrated the government

Explanation

Joseph McCarthy was  a republican US senator from Wisconsin and he was one of the most controversial figures in American politics.  He widely scattered charges that  gave rise to a new world of McCarthyism . McCarthyism is the practice of making accusations of subversion or treason without proper regard for evidence.Many different people in the United State  in those days had different views about Joseph McCarthy, some of them praised him while others  condemned him for publicly accusing people of disloyalty without evidence.