Across
- 2. A German Submarine
- 5. Treaty imposed on Germany by Allied Powers; ended the Great War
- 9. A major characteristic of WWI fighting; used to prevent loss ground during a battle
- 11. Bombs developed to combat German U-boats
- 12. Killer of Franz Ferdinand
- 14. Great Britain, Russia, U.S., France, and Italy; opposed Germany and its allies.
Down
- 1. The end of WWI; now replaced by Veterans day in the U.S.
- 3. The official time, down to the minute, when fighting ceased in the trenches on November 11
- 4. Message that said Mexico should attack the U.S. if the U.S. went to war with Germany
- 6. The heir to the Austro-Hungarian throne; assassination sparked WWI
- 7. American ship sunk by German U-boats persuading the U.S. to join the war
- 8. A from of chemical warfare used in WWI
- 10. U.S. President during WWI
- 13. Germany, Austria-Hungary, Bulgaria, and Ottoman Empire; opposed the Allied Powers