Across
- 3. a revolutionary type of WWI-era battleship
- 4. heir to the Austro-Hungarian throne who was assassinated
- 6. trench warfare stretching from the Swiss border to the North Sea through France and Belgium
- 8. an anti-personnel artillery weapon, consisting of a shell filled with hundreds of lead balls and a small explosive charge
- 9. blueprint for ending WWI
- 11. first intergovernmental organization
- 12. deep narrow ditches dug in the ground by soldiers
Down
- 1. a deadlock on the Western Front
- 2. 28th U.S. President who led the nation into World War I in 1917
- 5. 10–300 yard deathtrap of land between opposing trench lines
- 7. the primary peace treaty ending World War I between the Allied Powers and Germany
- 10. a major military alliance during World War I