How did Joseph McCarthy and the House Un-American Activities Committee help produce a Red Scare?

Used public fear
Intercepted and decoded Soviet message
Campaigned to ease media censorship
Arrested and prosecuted thousands of radicals

Used public fear?

4 answers

It was mainly fear
so that's right?
The right answer is:
They successfully used existing public fears of Communism based on earlier investigations to create a perceived elevated threat of the political movement.
ye ye