The Most Dangerous Western-Soviet Confrontation of the Cold War Occurred

The most dangerous Western-Soviet confrontation of the Cold War occurred:

A) in Berlin, where the Berlin Wall was constructed to prohibit West Germans from entering East Germany.
B) in East Berlin, where the United States intervened when the Soviets put down antigovernment riots.
C) in Cuba, where Khrushchev dispatched Soviet soldiers and technicians to construct missile sites.
D) in Poland, where the United States intervened when the Soviets exerted pressure on Poland to curb its reform movement.