Across
- 4. Serbian nationalist who assassinated the Archduke.
- 6. Competition for colonies and resources.
- 7. British ocean liner sunk by a U-boat, bringing the US closer to war.
- 10. Archduke whose assassination sparked WWI.
- 11. Extreme pride in one's country, a key cause of war.
Down
- 1. Agreements between nations to aid one another
- 2. Ditches dug for protection, defining the Western Front.
- 3. Treaty that ended WWI.
- 5. Telegram from Germany to Mexico that shocked the U.S..
- 8. Truce signed on Nov 11, 1918, ending the fighting.
- 9. Policy of building up strong armed forces to prepare for war.