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Louisiana Purchase
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Period: to
The CA Gold Rush
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Ratification of 13th Amendment
Ended Slavery -
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The Gilded Age
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Ratification of 15th Amendment
Suffrage can't be denied based on race, skin color, servitude, etc -
Spanish-American War
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Period: to
World War I
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The Roaring 20s
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Ratification of 19th Amendment
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Period: to
The Great Depression
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Period: to
World War II
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Period: to
The Cold War