History my dude

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Across
  1. 7. depending on ones military to determine foreign policy
  2. 8. farm for former slaves in the south which leaves them in a cycle of debt
  3. 11. support for advocacy or social reform
  4. 13. Lightning warfare
  5. 14. North Atlantic Treaty Organization
  6. 15. warfare war from inside trenches
  7. 16. foreign citizens leaving their homeland to live and work in a different country
  8. 18. mutual defensive treaty
  9. 19. underwater boats
  10. 20. taxes on imported goods
Down
  1. 1. expanding your power outside of ones own borders
  2. 2. U.S. foreign policy which focused on stopping the spread of communism
  3. 3. Geopolitical tension after world war 2
  4. 4. self propelled precision guided system
  5. 5. social process whereby cities grow and societies become more urban
  6. 6. germany, autria-hungary, and the ottoman empire
  7. 9. destruction or slaughter on a mass scale
  8. 10. first atomic bomb dropped
  9. 12. Allowing individuals to own, buy, and, sell other individuals
  10. 17. second atomic bomb dropped