Answer:
Franklin D. Roosevelt's speech following the attack on Pearl Harbor was highly effective in rallying the American people and Congress to declare war on Japan. Roosevelt's use of vivid and emotional language, such as calling the attack a "day of infamy," helped to galvanize public opinion and a sense of national unity in the face of a devastating attack. Additionally, Roosevelt clearly laid out the reasons for going to war, including the need to defend American interests and principles, and emphasized the country's determination to fight for victory. The speech was also notable for its call to Congress to formally declare war, which was quickly approved, demonstrating the strong support for the decision to go to war. Overall, Roosevelt's speech was a masterful example of leadership and effective communication in a time of crisis
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