World War I

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Across
  1. 4. Unsinkable Ship
  2. 5. First Boats that could go underwater
  3. 6. Treaty that ended the war
  4. 9. First car company
  5. 10. Acronym for Causes of the War
Down
  1. 1. Warfare that was fought in man made holes
  2. 2. Famous Actor in Silent Movies
  3. 3. the right to vote
  4. 7. Acronym for Allied Powers
  5. 8. Prince From Austria-Hungary