What event led to the Soviet Union joining the side of the Allies during World War II?
AThe United States successfully defeated the Soviets during Operation Barbarossa.
BGermany broke the German-Soviet Nonaggression Pact.
CThe Soviets and Italians wanted to join forces to defeat Germany.
DJapan and Germany secretly agreed to invade the Soviet Union.
AThe United States successfully defeated the Soviets during Operation Barbarossa.
BGermany broke the German-Soviet Nonaggression Pact.
CThe Soviets and Italians wanted to join forces to defeat Germany.
DJapan and Germany secretly agreed to invade the Soviet Union.