What was the reason for superpowers to engage in an arms race with a strategy of mutually assured destruction?


A.
Both countries felt that they were safe from attack if they were powerful enough to destroy the other.


B.
The United States expected a nuclear war at any moment and wanted to make certain it could win.


C.
The Soviet Union expected a nuclear war at any moment and wanted to make certain it could win.


D.
Both countries felt that if they had nuclear weapons, no other countries would develop them.