Crossword of the 50's

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Across
  1. 3. Mutual defense treaty between 8 communist states in Europe
  2. 5. Houses built for WW2 veterans
  3. 7. Creating the impression that one is willing to push a dangerous situation to the limit
  4. 8. Capitol of Gremany
  5. 9. North Atlantic Treaty Organization
  6. 10. Convicted of being a Soviet spy
Down
  1. 1. Led the Chinese Communist Party
  2. 2. Russian satellite
  3. 4. American novelist
  4. 6. Led Soviet Union during the Cold War