How did the US react to Soviet expansionism?

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Across
  1. 7. US used wealth to counter Soviet influence
  2. 8. USSR rejected Marshall Aid
  3. 12. US encouraged democratic governments
  4. 13. US and Britain supplied West Berlin by air
  5. 15. Promise to support countries resisting communism
  6. 16. America formally tied to European defence
  7. 18. Soviet attempt to force Allies out of Berlin
  8. 21. Codename for the airlift
Down
  1. 1. City became symbol of resistance to communism
  2. 2. US actions increased USSR mistrust
  3. 3. US actions deepened Cold War rivalry
  4. 4. Belief that countries might fall to communism
  5. 5. US hoped prosperity would prevent communism
  6. 6. US backed stronger Western militaries
  7. 9. Allies united against Soviet expansion
  8. 10. US promoted democracy and freedom
  9. 11. Attack on one member seen as attack on all
  10. 14. Economic aid to rebuild Europe
  11. 17. Military alliance formed to resist Soviet aggression
  12. 19. Blockade failed to remove Western presence
  13. 20. US policy to stop spread of communism