Cuban Missile Crisis · World History

What was the primary discovery made by a U.S. U-2 spy plane on October 14, 1962, that initiated the Cuban Missile Crisis?

  1. Soviet troop movements into West Berlin
  2. Construction of a Soviet submarine base in Havana
  3. Soviet medium-range ballistic missile installations in Cuba
  4. A formal military alliance signed between Castro and Mao Zedong
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Correct answer: Soviet medium-range ballistic missile installations in Cuba

High-altitude reconnaissance photos revealed the presence of Soviet SS-4 missiles capable of striking much of the Eastern United States. This discovery shifted the Cold War from a political struggle to the brink of nuclear war.

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