Question

Senator Joseph McCarthy conducted a Senate investigation regarding communist infiltration of _______, which went too far and led to the demise of his career.

Answer 1

The U.S Army

Step-by-step explanation:

The Senate investigations into the United States Army were televised. This exposed the unfair tactics of McCarthy. Politicians in both parties were embarrassed by McCarthy's actions. On December 2, 1954, a censure motion condemned his conduct. It was the end of the Second Red Scare.

Answer 2

Answer: the U.S. Army

"Senator Joseph McCarthy begins hearings investigating the United States Army, which he charges with being “soft” on communism. These televised hearings gave the American public their first view of McCarthy in action, and his recklessness, indignant bluster, and bullying tactics quickly resulted in his fall from prominence"