Across
- 3. Name for a German ruler.
- 7. The ____ U-boat (submarine) proved to be a very effective weapon.
- 8. The Selective Service Act required all men from 21 to 30 to register with local ____ boards.
- 10. The ____ Act provided stiff penalties for anyone who supplied information to the enemy.
- 13. American factories switched to ____ production.
- 14. Britain's luxury liner ____ was hit by a German submarine killing 1,198 passengers (128 Americans).
- 15. The ___ Powers included Great Britain and France.
- 16. The ___ Powers sided with Germany.
Down
- 1. ____ warfare claimed many lives.
- 2. The 1916 election was won by this US President whose slogan was, "He kept us out of war."
- 4. The ___ note promised Mexico land from the states of NM, TX, and AZ in return for helping the Germans in the war.
- 5. This country officially entered WWI on April 6, 1917.
- 6. For the first time, ____ were admitted to America's armed forces.
- 9. Archduke ____ was the heir to the throne of Austria who was shot and killed by a Serbian terrorist.
- 11. World War I was the first war to be fought on a ____ scale.
- 12. "Liberty Loans" were war ____.