Across
- 3. countries sought to increase their military powers
- 10. heir to Austria-Hungary, his assassination sparked the war
- 15. area between trenches that was impassable
- 16. pandemic that infected 1/3 of the world's population
- 18. Germany, Austria-Hungary, Ottoman Empire
- 22. the main leaders that made the treaty
- 24. leader of Germany during WWI
- 25. caused Russia to drop out of the war
- 27. permanent fortifications to protect against attacks
- 28. money given from losing side to winning side
- 29. France, Great Britain, Russia, US
Down
- 1. new technology that revolutionized warfare
- 2. message from Germany to Mexico that was intercepted by Great Britain
- 4. men between the ages of 21-30 had to enlist to be drafted
- 5. ended WWI, blamed Germany for the war
- 6. ship that sank with American citizens aboard
- 7. Wilson's plan for lasting peace in Europe
- 8. battleships escorted ships across the Atlantic
- 9. when airplanes fought in the air
- 11. extreme patriotic feelings
- 12. Serbian terrorist who assassinated heir to Austria-Hungary
- 13. selling the war to people, to help raise funds
- 14. agreements between countries
- 17. belief that a country should stay out of other countries affairs
- 19. stated that Germany was to blame for the war
- 20. organization designed to settle conflicts
- 21. countries expanding and building empires
- 23. deadliest battle in WWI
- 26. a cease-fire until a treaty can be made