WW1

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Across
  1. 3. Frank Ferdinand, who was assassinated
  2. 4. muddy wet and unsafe
  3. 7. Foot, wet and muddy
  4. 8. no mans land
  5. 12. of Verdun, French land
  6. 13. Hungary, declared war on Serbia
  7. 15. country
  8. 17. ran out of
  9. 19. system
  10. 20. Days offensive
  11. 21. fever
  12. 22. flu
  13. 23. Shock, PTSD
Down
  1. 1. black hand, the group that was planning the attack
  2. 2. boat that killed lots of people
  3. 5. battle
  4. 6. safe and comfortable trenches
  5. 9. acronym for the longest term causes of WW1
  6. 10. Empire, tripple alliance
  7. 11. Alliance
  8. 14. a deadliest weapon
  9. 16. first gas attack
  10. 18. ww1 years