The correct answer is: B. A wall
As World War II ended, in 1945, the destiny of Germany's territories was determined in the Yalta and Postdam conferences. The conquer and defeated German nation was split into four occupation zones. The Eastern part of the nation was given to the Soviet Union, and the Western part of the nation was given to the United States, Great Britain and eventually to France. Even though Berlin, Germany's capital by that time, was located completely within the Soviet part of the country, The Yalta and Postdam agreements divided the city into homogeneous sectors.
The existence of West Berlin, which was the capitalist part of both Berlins, within the Communist East Berlin, became a major problem to the Soviets. Tensions arose in 1958 and with the massive flood of East Berlin refugees crossing the borders to West Berlin, Premier Khrushchev gave the East German government the authorization to stop the flow of emigrants by closing and locking its border. In two weeks volunteer constructions workers with the East German Army and the Police force built and completed the Berlin Wall (August 13,1961).
The Berlin Wall was a barbed wire and concrete block wall built by the Communist government on the German Democratic Republic (East Germany), between East and West Berlin. The official purpose of the Berlin Wall was to keep Western strong central government from entering East Germany and threatening the Socialist state, but it primarily assisted the objective of removing mass desertions and disloyalties from East to West.
