Answer:
The answer is D. period of tension between countries who supported communism and those who opposed it.
Explanation:
The Cold War was a period of contemporary history comprising 4 decades, until the disintegration of the Eastern Bloc and the Soviet Union in 1989-1991. Two superpowers vied for having most influence in the world, the United States and the Soviet Union. It was an ideological, diplomatic, economic and military contest played globally.
