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Theodore Roosevelt becomes President
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Pure Food and Drug Act
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Election of Woodrow Wilson
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Sixteen Amendment authorizing income tax ratified.
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Seventeenth Amendment providing for direct elections of Senators ratified
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World War 1 begins
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U. S. troops sent to Haiti
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Lusitania was torpedoed by German U-boat.
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U.S. enters WW1 due to the sinking of the Lusitania.
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WW1 ends
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Eighteenth Amendment prohibits alcoholic beverages
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Nineteenth Amendment gives women the right to vote.