World War I

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Across
  1. 2. American president
  2. 4. country in which Germany asked to join
  3. 5. convoluted means ______________
  4. 8. most fighting took place in Belgium and ______
  5. 10. Selective Service ____
  6. 12. underwater technology
  7. 13. Allied or Central powers became desperate
  8. 16. ___________mostly fought in France
Down
  1. 1. an agreement between nations
  2. 3. ______warfare
  3. 6. cease-fire
  4. 7. Archduke Franz ___________ was shot
  5. 9. number of soldiers that died
  6. 11. Austria-Hungary declared war on __________
  7. 14. ship that was sunk
  8. 15. The ___________ of Versailles