Question

What was the United States' major concern about their former ally, the Soviet Union?
that the Soviets would never leave Berlin

that the Soviets would never leave Iran

that the Soviets would join the United Nations

that Soviet-style Communism would take over the world

Answer 1

that Soviet-style Communism would take over the world

Answer 2

That soviet-style Communism would take over the world... The answer to your last question, I believe, was Containment.

Answer 3

was it correct?

Answer 4

yes!

Answer 5

you guys are awesome :)