Across
- 4. new fighting technique
- 6. Powerful new weapon in World War I.
- 9. Trenches were ____ after the rain
- 10. longest battle of war.
- 11. weapon that shoots fire
- 14. a ship under the water
Down
- 1. won world war I
- 2. fought in the sky
- 3. First war dog.
- 5. German army took over this country
- 7. Mans Land - space between the front lines with barbed wire
- 8. trenches were located here
- 12. made soldiers itchy
- 13. First introduced by the British.
