From the 1950s to the 1980s,nuclear War Was Prevented by

From the 1950s to the 1980s,nuclear war was prevented by

A) the policy of mutually assured destruction.
B) Soviet and American foreign policy restraint.
C) giving the UN control of nuclear weapons.
D) the United States and the Soviets having too few nuclear weapons to attack each other.
E) a series of international arms control treaties.