Why did the United States and the Soviets end up on opposite sides of the Cold War?

The Soviets wanted to conquer and spread their ideologies, while the United States opposed the spread of communism. After establishing NATO, they were on opposite sides of the Cold War.

i think that the answer is polishing peanuts

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering