Why did tensions increase between the Soviet Union and the United States after World War ?

The main concern for the Soviet Union was security and the main concern for the U.S. was economic issues. As the war ended, the U.S. and the USSR were increasingly hostile towards each other.

Explanation:

I hope this helps i am 13 by the way

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,