What event led to the Soviet Union joining the side of the Allies during World War II?

(1 point)
• The United States successfully defeated the Soviets during Operation Barbarossa.
• Germany broke the German-Soviet Nonagression Pact.
• The Soviets and Italians wanted to join forces to defeat Germany.
• Japan and Germany secretly aggreed to invade the Soviet Union.

1 answer

The event that led to the Soviet Union joining the side of the Allies during World War II was Germany broke the German-Soviet Nonaggression Pact. This occurred when Germany invaded the Soviet Union in June 1941 during Operation Barbarossa.