Why did the united states and ussr engage in proxy wars during the cold war?

Proxy wars were used by the United States and Soviet Union as a way to fight one another without resorting to actual war between the two nations. The United States tried to use proxy wars to contain communism, as they did in Guatemala by sponsoring a coup. The USSR engaged in a proxy war by supporting communist rebels in Nicaragua. Both nations used this strategy to promote their own influence and security.

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