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Theodore Roosevelt becomes president
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Panama Canal is Built
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Authorized income tax
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Woodrow Wilson becomes the 28th President
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17th Amendment provided for direct elections of Senators
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World War I begins
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Lusitania is sunk
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US enters World War I declaring war on Germany
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World War I ends, Treaty of Versailles
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Prohibits the sale, manufacturing, and transportation of liquor
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19th Amendment gives women rights to vote
