What two countries brought about the Cold War, leading to the formation of NATO and the Warsaw Pact?

Question

the Soviet Union and Poland
the U.S. and the United Kingdom
the U.S. and the Soviet Union
the U.S. and Czechoslovakia

Answer 1

The two countries that brought about the Cold War, leading to the formation of NATO and the Warsaw Pact, were the U.S. and the Soviet Union.