Across
- 4. Nations pride
- 5. One of the first countries to surrender
- 10. First full-scale offensive with tanks
- 12. When all resources are devoted to war
- 15. Russian leaving war
- 18. Type of warfare with networks
- 20. Warfare to sink any ship
- 21. Dropping bombs on important places
- 22. Continent where fighting was in Egypt
- 25. Who went to war
- 26. Where fighting of Germans and Russians happened
- 28. First aircraft used
- 29. Words for deaths
- 33. Treaty from Russia to Germany
- 36. Where Germans sent Zimmermann note
- 38. Note from Germans to Mexico
- 39. Goods needed for war
- 40. Battle to stop advances of Germans
Down
- 1. Big vehicles combating trench warfare
- 2. Another word for planes
- 3. He stepped down because of revolt in Germany
- 6. German submarine
- 7. First war that included use of planes
- 8. Only country/continent involved
- 9. Improved weapon used by soldiers
- 11. First US Marines in WWI combat
- 13. Where most of the fighting happened
- 14. Popular way to recruit
- 16. Plan to win
- 17. Land between opposing sides
- 19. A chemical warfare
- 23. To strongly go against
- 24. "Big Push" battle
- 27. Fire weapon, used in trenches
- 30. Longest battle in WWI
- 31. Person who offered truce to Germany
- 32. US continent
- 34. French plan to retake
- 35. Who replaced men in factories
- 37. Battle for Germans to attack and frighten French