Question

Why was Senator Joseph McCarthy's anti-communist crusade brought to an end by his hearings about communists in the U.S. Army?

His investigations of the military were not permitted under federal law.

His investigations revealed that McCarthy had manufactured evidence.

His investigations found that communists had infiltrated the military

His investigations were exposed as publicity stunts without merit.

Answer 1

Can you eliminate any of these right off the bat? Or do you have any guesses so far?
(just so I can see how you're thinking about it)

Answer 2

@DopeDuder ?

Answer 3

I think its C

Answer 4

Not exactly. When the public saw how he treated the US army witnesses he called, they were horrified, and the Senate actually ended up censuring him. In other words, he was forced to stop.
Based on that info, which one do you think it would be?

Answer 5

A?