A major subtext in the Cold War was Nuclear Arms Race with the main strategy of Mutual Assured Destruction.
The Cold War was a period of global geopolitical tension and struggle for ideological and economic influence between the United States and the Soviet Union (USSR) and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II, and lasted until the fall of the Soviet Union in 1991.
https://en.m.wikipedia.org/wiki/Cold_War
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