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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 I
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Roaring Twenties
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Great Depression
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World War II
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1945: United Nations formed
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Early Cold War
Containment
Arms Race/Space Race
The Union of Soviet Socialist Republics
Communism
Domino Theory -
1948: Berlin Airlift
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1949: NATO established
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1950-1953: Korean War
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Civil Rights Era
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Vietnam War
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1957: USSR launches Sputnik
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End of the Cold War
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1990s-21st Century