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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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Communism
A rivalry form of government to Democracy during the Cold War. This form of government established a system in which goods are owned in common by the state (government) and are available to all as needed. -
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Roaring Twenties
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The Union of Soviet Socialist Republics
The Soviet Union, officially the Union of Soviet Socialist Republics, was a federal socialist state in Northern Eurasia -
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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
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Truman Doctrine
U.S. policy that gave military and economic aid to countries threatened by communism. -
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Containment
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. -
Berline Airlift
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Marshall Plan
Program to help European countries rebuild after World War II -
NATO established
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Civil Rights Era
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Domino Theory
The theory that a political event in one country will cause similar events in neighboring countries, like a falling domino causing an entire row of upended dominoes to fall. -
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Korean War
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Rosenbergs trial
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22 Amendment
Prohibits anyone who has been elected president twice from being elected again -
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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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. -
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End of the Cold War
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1990s-21st Century