Answer :
Final answer:
President Roosevelt aimed to persuade, unite, and motivate the public through his State of the Union addresses.
Explanation:
President Roosevelt's primary purposes in his State of the Union address were to convince the public to support an idea, to encourage the public to unite, and to motivate the public to take action. Through his speeches, he aimed to persuade, unify, and drive the nation towards a common goal, such as supporting policies like the New Deal and fostering national unity during times of crisis like World War II.
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