Across
- 2. boards placed on the bottom of trenches
- 4. large and difficult to use; weighed 65-130 pounds
- 7. WWI was the first time these had an impact
- 10. area between the front lines of two enemy armies
- 11. first used in WWI. The gas could kill the enemy in trenches
- 12. large, heavily armored battleship
- 13. first used to gather intel on the enemy
- 15. Both sides dug miles of deep trenches for protection
Down
- 1. an effort to prevent people or goods from entering or leaving a country
- 3. nickname given to US Soldiers in WWI
- 5. place where two armies meet and most fighting takes place
- 6. German submarine
- 8. went 4 mph
- 9. known as the leaders of the allied powers
- 14. an agreement by both sides to stop fighting