Across
- 3. new technology that required the use of gas masks
- 5. telegram sent to Mexico by Germany that prompted the United States to join the war
- 7. conquering another nation for their natural resources
- 8. nations joining together to support each other
- 11. area of the war fought between Russia and Germany
- 13. alliance between Germany and Austria-Hungary
- 14. organization created to prevent future world wars
- 15. agreement that ended WWI
- 16. the place between the trenches that meant certain death
- 18. alliance between France, Great Britain, and USA
- 19. country who had a secret alliance with France and backstabbed Germany at the start of WWI
- 21. leader of Austria-Hungary who was assassinated
- 22. pride in one's nation
Down
- 1. British ship sunk by Germany with American passengers on board
- 2. payments for war damages
- 4. none as the "meat grinder" this new technology was deadly in the trenches
- 6. strengthening a nation's military
- 9. country where trench warfare largely took place
- 10. area of the war fought between France and Germany
- 12. president during WWI
- 15. war strategy to defend position by fighting from the protection of deep ditches
- 17. a situation where no one wins
- 20. country who had to take blame for WWI