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Teddy Roosevelt becomes President.
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Teddy Roosevelt Corollary to the Monroe Doctrine
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The Panama Canal was built.
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The Hepburn Act
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The Pure Food and Drug Act
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The Titanic Sinks
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The Sixteenth Amendment becomes ratified.
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The Seventeenth Amendment becomes ratified.
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The Federal Reserve Systems begins.
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World War 1 begins
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U.S. troops sent to Haiti
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U.S. enters the World War
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The Russian Revolution
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The Treaty of Versailles
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World War 1 Ends
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The Eighteenth Amendment prohibits alcoholic beverages.
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The Nineteenth Amendment allows women the right to vote.