After Germany’s invasion of the USSR, Stalin begin actively seeking to improve relations with capitalist powers in order to focus on the war effort against the Axis forces so made the decision to dissolve the Comintern as a gesture of goodwill towards the Western Allies.

By providing substantial military assistance to Allied nations through the Lend-Lease Act, the United States played a crucial role in bolstering their ability to resist Axis aggression and played a major role in the Allied victory in the Second World War.