Roosevelt aimed to convince America to join the war, while Stalin sought allies against Germany and industrial advancement.
Roosevelt's purpose in his 'Pearl Harbor Address to the Nation' was to convince America to join the war, specifically against Japan, as he sought to stir emotions and rally support for a formal declaration of war. On the other hand, Stalin's ultimate purpose in his radio broadcast on July 3, 1941, was to secure allies against Germany and drag the USSR into the industrial age. Stalin aimed to ensure the USSR's safety and promote communism worldwide.
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