Why did so many international crises involve the superpowers?

The Cold War saw the two superpowers – the USA and the Soviet Union – divide the world into spheres of influence and power blocs. This course examines the start of the Cold War, its defining features and its final stages as the Soviet Union quietly ended in 1991.

Explanation:

answer; the mayans and

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.