Across
- 6. Ship sunk by German submarines, pushing the US toward war
- 9. Type of warfare with deep ditches and stalemates
- 11. Alliance that included Britain, France, and Russia
- 12. Region where the assassination that sparked WWI occurred
Down
- 1. Year WWI began
- 2. Agreement to stop fighting, signed on November 11, 1918
- 3. Deadly weapon that caused fear and suffering in trenches
- 4. Leader of Germany during WWI
- 5. Famous WWI battle involving Australian and New Zealand soldiers
- 7. Peace agreement that officially ended WWI
- 8. Heir to the Austro-Hungarian throne, assassinated in 1914
- 10. Country that switched sides and joined the Allies in 1915