At the Wartime Teheran Conference

At the wartime Teheran Conference

A) the Soviet Union agreed to declare war on Japan within three months.
B) the Big Three allies agreed to divide postwar Germany into separate occupied zones.
C) the Soviet Union agreed to allow free elections in Eastern European nations that its armies occupied at the end of the war.
D) plans were made for the opening of a second western front in Europe by Britain and the United States.
E) it was agreed that five Big Powers would have veto power in the United Nations.