Final answer:
The Cold War, lasting until the early 1990s, was a period of tension and rivalry between the United States and the Soviet Union.
Explanation:
The Cold War was a prolonged period of political and military tension primarily between the United States and the Soviet Union following World War II, lasting until the early 1990s with the fall of the Soviet Union. It was characterized by an arms race, proxy wars, espionage, and intense rivalry without direct military conflict between the two superpowers.
Learn more about Cold War here:
https://brainly.com/question/23021319
