The USSR June 1941Hitler broke Nazi-Soviet Non-Aggression Pact & invaded USSR June 1941Hitler broke Nazi-Soviet Non-Aggression Pact & invaded USSR USSR entered war on side of Allies USSR entered war on side of Allies US provided support to USSR through Lend- Lease US provided support to USSR through Lend- Lease Battle of Stalingrad Battle of Stalingrad Hitler defeated by Russian winter Hitler defeated by Russian winter
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