All of the Following Were Evidence of Increased Cold War

Multiple Choice

All of the following were evidence of increased Cold War tension during the Kennedy presidency

A) CIA-trained Cuban refugees invaded Cuba in an attempt to overthrow Castro.
B) the Soviets constructed the Berlin Wall.
C) the Soviets supplied arms to Communist guerrillas in Turkey.
D) the Soviets and the U.S. confronted each other over the Soviet military presence in Cuba.