Across
- 2. large guns that are used to shoot over a great distance
- 6. mans land land between the trenches of opposing armies
- 8. to stop supplies from entering a country
- 9. another person of country supporting each other
- 10. not taking sides in war
- 13. something that is used for fighting
Down
- 1. temporary peace
- 3. further action or progress in war is impossible
- 4. machines or pieces of equipment that is created by the use of science
- 5. secret information collected about an enemy
- 7. a ship that can operate underwater
- 11. deep, narrow holes in the ground used for protection
- 12. a tube-shaped bomb that is fired underwater
