Across
- 1. stealth in water
- 3. dug for war in zigzag formation
- 5. the reason war started
- 6. assassinated Archduke
- 9. sunk by submarine
- 10. terrifying short ranged weapons
- 11. Austria-Hungary declared war and started WW1
- 12. protects you from deadly air
- 14. introduced by the british changed the way we fight
Down
- 2. 600-700 rounds a minute
- 4. poisoned air mustard color introduced by Germany
- 7. land between trenches with holes and landmines
- 8. canned food for soldiers
- 13. sent supplies to the allies