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was one of the first major international crises of the cold war. during the multinational occupation of post–world war II germany, the soviet union blocked the western allies' railway, road, and canal access to the sectors of berlin under western control
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NATO was the first peacetime military alliance the united states entered into outside of the western hemisphere
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a war between north korea and south korea, north korea invaded south korea following clashes along the border and insurrections in the south
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was created in reaction to the integration of west germany into NATO -
also known as the second indochina war, was a conflict in vietnam, laos, and cambodia
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was the first artificial earth satellite. it was launched into an elliptical low earth orbit by the USSR as part of the soviet space program -
the berlin wall was a guarded concrete barrier that physically and ideologically divided berlin
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the cuban missile crisis, also known as the october crisis of 1962, the caribbean crisis, or the missile scare, was a 1 month, 4 day confrontation between the united states and the soviet union -
the arrival of a spacecraft on the surface of the moon. this includes both crewed and robotic missions. the first human-made object to touch the moon was the soviet union's luna 2 -
was a pivotal event in world history which marked the falling of the Iron curtain and the start of the fall of communism in eastern and central europe