How did centers of world power shift from the period before World War I to the period after World War II?
A. The centers of power shifted from Western Europe to the United
States and the Soviet Union.
B. The centers of power shifted from the United States and Eastern
Europe to the Soviet Union.
O C. The centers of power shifted from Eastern Europe to the Soviet
Union and China.
D. The centers of power shifted from the Soviet Union to estern
Europe and China.