Cold War Puzzle

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Across
  1. 4. To Keep
  2. 8. Northern Atlantic Trade Organization
  3. 10. An Agreement in Sweden
  4. 11. Russian Spies
  5. 14. Failed US Invasion
  6. 15. Secret Nuclear Weapons
Down
  1. 1. Pushing Safe Limits
  2. 2. A Failure of Both Parties
  3. 3. Plan for European Economics
  4. 5. Accusation of Spies
  5. 6. A failed Invasion of Cuba
  6. 7. North vs South
  7. 9. The Division of North and South
  8. 12. Russian Satellite
  9. 13. Neighboring Communists