Answer:
The US feared communism during the cold war because they thought that it would put limits on their freedoms. The US felt that if their rights were taken away communism would make it to where they would never be able to get out of control of communism. And it would make it where the US would never be able to gain back any power they had in the first place, or go above their power level.
Step-by-step explanation:
(I hope this made sense)