Across
- 6. Making a large military that is ready for war
- 7. Was the heir to Austria/Hungary throne
- 9. Patriotism to the psychotic level
- 10. When two planes fight in the air
- 11. the main type of warfare in WWI
- 13. A secret note sent from Germany to mexico intercepted. ended up pulling the U.S into war
- 14. The passenger ship that killed 128
Down
- 1. invented the machine gun
- 2. Countries trying to build up an empire by taking land or control of another countries government
- 3. Airplanes,machine guns and gas were all
- 4. was the opposing side to the Central powers
- 5. The place between two lines of trench warfare
- 7. A agreement between two countries to aid each other if war comes
- 8. was the opposing side to the Allies
- 12. Assassinated Arch Duke Franz Ferdinand
