Across
- 3. underground areas that soldiers dug
- 6. an organization formed to promote peace
- 7. building up a country's army
- 10. German submarine
- 13. the feeling of pride towards ones country
- 14. treaty that ended WW1
- 15. a friendship between two countries
Down
- 1. american ship that was sunk by german uboats
- 2. the side against the allies
- 4. people planted their food in these
- 5. 28th president of the United States
- 8. extending a country's power
- 9. teams of troops, ships, and equipment
- 11. the land between the trenches
- 12. the alliance of Britain, France, and Russia