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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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United Nations formed
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Early Cold War
Containment-the action of keeping something harmful under control or within limits./Arms Race/Space Race-The Space Race was an informal 20th-century competition between two Cold War rivals, the Soviet Union (USSR) and the United States (US), to achieve firsts in spaceflight capability./The union of associate republics- was socialist state that existed in 1922-1991./Communism-a political and economic system that seeks to create a classless society./Domino Theory/event in 1950 -
Truman Doctrine
U.S. policy that gave military and economic aid to countries threatened by communism -
22 amendment
The Twenty-second Amendment (Amendment XXII) to the United States Constitution limits to two the number of times a person is eligible for election to the office of President of the United States, and sets additional eligibility conditions for presidents who succeed to the unexpired terms of their predecessors. -
Berlin Airlift
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Marshall Plan
program to help European countries rebuild after World War II -
NATO established
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Korean War
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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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1990s-21st Century