Is this multiple choice? If so what are the options. If not the best answer I can give is Antique. Sorry! Hope this helps! :( :) :D
Answer:
soviet union
Explanation:
the U.S had gone through a "Red Scare" the U.S was worried for their safety and had paniced. Fed. employees were screnned to see if they were loyal to the U.S, and had started to watch out for Soviet spies
C Jewish people giving up they belief

Mostly because they didn't want to upset or worry the people they were sending the letter to, however they also didn't want to admit it to themselves.