WW1 Crossword

4. what shape were trenches typically dug in?
5. where was the first recorded case of spanish flu?
7. what is the name of the ship that was sunk by a German Uboat?
8. what precent of poeple who fought in the great war died?
9. what is it called when someone gains control of a smaller country in order to increase economic and political power?
14. what weapon was able to drive across "no mans land"?
15. what was a submarine armed with guns called?
16. what alliance included Great Britian, France, and Germnay?
19. what were wooden planks that lined the bottom of trenches called?
20. which battle was going on during the deadliest day in British history?
21. what type of warfare dominated WW1?
22. what year did the US join the war?
23. what was the most used gas called?
24. what battle had the most deaths in WW1?

1. who's assassination ignited WW1?
2. what was the stationary gun called that shot 500 rounds per minute called?
3. Germany broke naval rules and this was called...?
6. what was the airplane with three levels called?
10. what is it called when countries compete with each other to build the strongest military?
11. which battle was the longest fought in WW1?
12. what note encouraged the US to enter the war?
13. which battle did Germans run out of supplies in?
17. did the US instantly join the war?
18. what is the belief that your country is the best in the world called?