Across
- 1. Bugs that infested peoples hair
- 3. The assassination of this man started WWI
- 4. A sport they played during Christmas
- 6. Rodents that infested trenches
- 7. High artillery vehicles were developed in WWI
- 10. They had really strong friendships
- 11. Rounds of ammunition shot from a gun barrel
- 12. Holes in the ground that they fought in
Down
- 2. Where the world war occurred
- 3. The original
- 5. The troops stopped to celebrate this holiday
- 8. Upgrades of weapons and discoveries
- 9. A lot of people got shot
- 11. They had nothing to do