Across
- 5. flying objects, first used in this very war originally used for spying later for as weapons
- 7. boat sunk by a German U-boat, major cause of U.S entering war
- 10. an international war where all of a country's resources are used to destroy another country
- 11. day now known as Veterans Day
- 12. czar of the Russian empire during World War 1
- 13. leader of Germany during World War 1
- 17. country apart of the Allied Powers which supported Serbia
- 18. weapon used to combat trenches, new weapon of this war, spit flames
- 19. new style of war for this era that involved trenches
- 21. German policy to sink any ship without warning around Britain with their U-boats
- 29. the country Austria declared war on July 28 1914
- 30. Britain, USA, Russia, France
- 33. artillery used World War 1, caused major damage when correct target is hit
- 34. explosives thrown from a person to reach only as far as they throw and detonate, new weapon for war
- 36. only continent in the world not even remotely involved in this war
- 38. telegram sent to Mexico, form Germany, stating if they went to war with the U.S then they would guarantee them their old land back (New Mexico, Texas, California, ect.), major cause of U.S entering war
Down
- 1. U.S president that stated this war would be "the war to end all wars"
- 2. major invention in WW1, structures with large tires that could run over things very easily, first introduced at the Battle of Somme
- 3. rapid firing guns that were greatly improved in this war, had difficulty cooling it down
- 4. massive arms buildup in Europe, MAIN cause of WW1
- 6. day U.S declares war on Germany
- 8. form war that uses gases such as chlorine and mustard gas to suffocate and kill the other side
- 9. the assassination of this man was the spark that started WW1
- 10. truce made by Leinin and Germany
- 14. prime minister of Britain during World War 1
- 15. another name for WW1
- 16. great show of pride and loyalty towards ones own nation, MAIN cause of WW1
- 20. country apart of the Central Powers that supported Austria
- 22. second revolution to force Russia out the war, Vladimir Leinin took power
- 23. Germany, Austria-Hungary, Turkey
- 24. prime minister of France during the war
- 25. president of France during this time
- 26. treaties between countries that made them defend each other, MAIN cause of WW1
- 27. first of two revolutions that forced Russia to exit war
- 28. greatly practiced in Africa at the time by Europeans, MAIN cause of WW1
- 31. this type of weapon is banned now in wars but it proved very efficient to killing, it also lead to a slow and painful death
- 32. German underwater boats that were used to sink many allied supplies ships
- 35. aircraft used for spying in this war
- 37. the ran 400-500 miles across Western Europe