World War 1 Crossword (all lowercase with underscore as space)

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Across
  1. 5. Gradually wearing down the enemy
  2. 6. famous aviator company in WWI
  3. 8. Deadliest battle fought by the British in response of the French calling for aid
  4. 14. The current Kaiser of the German Empire
  5. 16. Famous British officer known for helping the Arab tribes in leading a revolt against the Ottoman
  6. 17. Networks of dug fortifications
  7. 18. Alliance comprised of the British, French, and Russia.
  8. 19. A plan by the Germans to quickly achieve victory
Down
  1. 1. The genocide started by the Ottomans after they accused an ethnic group for their failures
  2. 2. Birds that were used to carry messages
  3. 3. An Alliance comprised of the Germans, A-H, Italy, and later the Ottomans
  4. 4. A form of a long-range gun used to shell positions
  5. 7. A term used to described people who were affected by PTSD
  6. 9. Assassinated Archduke of Austria-Hungary
  7. 10. Armed and tracked vehicles once used to fight trench warfare
  8. 11. The gas used by both sides while engaging in Chemical Warfare
  9. 12. A large and powerful class of battleships
  10. 13. The president of the U.S at the time of WWI
  11. 15. Airships that were filled with buoyant gasses