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Early American History
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Civil war /Reconstruction
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The Gilded Age
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The Progressive Era
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Imperialism
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World War 1
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Roaring Twenties
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Great Depression
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World War 2
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United Nations formed
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Early cold war
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Berlin Airlift
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NATO established
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Korean war
1950-1953 -
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Civil rights Era
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Rosenbergs trial
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First H- Bomb detonated by the united states
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Vietnam war
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Jonas Salk invents the polio vaccine
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USSR launches sputnik
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End of the cold war
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1900s 21st century