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Warren G. Harding becomes the 29th President of the United States.
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This emergency act limited the number of immigrants in America.
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Calvin Coolidge died in office
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another immigration act to limit the number of immigrants
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Herbert Hoover became the 31st President of the United States
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Franklin Roosevelt became the 32nd President of the United States.
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The war began between Britain and Germany
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This was the event that led to America joining the war