What changes began happening for America once world war 2 was over

The Red Scare and Cold Was came after WW2. Anti-Communist sentiments grew quite quickly which led to many witch hunts for communists in the government. Famous ones like Hollywood 10 and McCarthyism was popularized

Economic prosperity was the best thing that happened after the war for the USA. Other changes included minorities trying to fight for their civil rights including African Americans, Latinos and women.