Final answer:
During the Cold War, the main enemy of NATO was the Soviet Union, leading the Warsaw Pact.
Explanation:
NATO (North Atlantic Treaty Organization) was formed during the Cold War as a defensive alliance led by the United States, Canada, and Western European nations to counter the Soviet Union and other Communist countries. The main enemy of NATO during the Cold War was the Soviet Union, which led the Warsaw Pact, an alliance of Communist nations in Eastern Europe.
Learn more about Cold War here:
https://brainly.com/question/23021319
