kiaus and rj ww1 crossword puzzle

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Across
  1. 1. - a German submarine
  2. 3. - The alliance of Germany Austria-Hungray, and their partners.
  3. 5. - A trauma suffered by soldiers after heavy fighting
  4. 7. powered flying vehicles
  5. 10. - A weapon used as a chemical during battles.
  6. 12. heavy armored vehicle with gun on top
  7. 13. - Where soldiers hid from the enemy.
  8. 14. - a fully automatic firearm
Down
  1. 2. - Countries that helped other countries during wars.
  2. 4. - The dangerous land between the two enemy trenches
  3. 6. - a small, sturdy motor vehicle with four-wheel drive, especially one used by the military.
  4. 8. - A treaty to stop the war.
  5. 9. a weapon that shoots burning fuel
  6. 11. a weapon incorporating a metal tube from which bullets shells