The options of the question are, A) it established a blockade of Western Berlin. B) It recognized West Germany as a nation. C) It agreed that East and West Germany should unite. D) It withdrew its troops from East Germany.
The correct answer is A) it established a blockade of Western Berlin.
When the Western Allies created West Germany as a nation in 1948 the Soviet Union responded establishing a blockade of Western Berlin.
On June 24, 1948, the Soviet Union blocked all the roads and rails from and to Western Germany. After World War II, the Allies countries occupied the West part of Germany, but the USSR occupied the East. The differences between the United States and Russie started with the division of for parts of Berlin, the Capital of Germany. Americans and Soviets had completely different ideas on reparation of damages. That is why when the Western Allies created West Germany as a nation in 1948 the Soviet Union responded establishing a blockade of Western Berlin.