Why did the United States and the Soviet Union go from being allies during World War II to enemies in the post-war period?

The reason why the US became enemies with the USSR, and their communist allies was because of communism. Communism vs. Democracy was the overall premise of the Cold War. Yes, they were helpful in War, but after WW2 communist started spreading in Eastern Europe and South East Asia.

Explanation:

i receive this honor with deep gratitude and great humility. it is an award that speaks to our highest aspirations — that for all the cruelty and hardship of our world, we are not mere prisoners of fate. our actions matter, and can bend history in the direction of justice.

this is a way. : )

congress was not thoroughly prohibiting states from funding religious schools.