The answer choice that is NOT an effect of McCarthyism in the United States is:
A. American fears of communism decreased.
McCarthyism is a word that was made popular in the United States during which there was intense suspicion of communist activity.
As a result of this, a lot of false accusations were made against people which later proved to be false. A lot of people lost their jobs too as a result of this.
Communism is a system where all the properties belongs to everybody and is distributed accordingly to each person.
America practices capitalism which made it impossible to implement communism and people were afraid of being called communist spies.
