How did the Soviet Union respond to political unrest in Poland and Czechoslovakia in the 1950s?

A. The Soviets allowed a small measure of freedom so protesters could march.
B. The Soviets sent in their military with tanks to stop the protests.
C. The Soviets negotiated with the protesters to try and find common ground.
D. The Soviets allowed the local governments to deal with the problems themselves.

B. The Soviets sent in their military with tanks to stop the protests.