World war I Crossword Puzzle

2. Took place in the late spring of 1915, soon after Italy’s entrance into the war on the Allied side
4. Russian forces invaded the German-held regions of East Prussia and Poland
5. Sunk several commercial and passenger vessels, including some U.S. ships.
6. One of the world’s deadliest global pandemics
11. Posters that tried to persuade men to join friends and family who had already volunteered by making them feel like they were missing out
13. Commander of the American Expeditionary Force
15. A treaty signed on June 28 1919
16. This man got assassinated
19. Fought from September 6-9, 1914, French and British forces confronted the invading Germany army
20. He assassinated Archduke

1. president during the start of WWI
3. he wrote a telegraph or note
7. Commanded British forces at the Battle of the Somme
8. A ship that was blown up with a torpedo
9. they were built in a zig-zag pattern
10. this machinery was used in trench warfare
12. statement of principles for peace that was to be used for peace negotiations in order to end World War I.
14. This country had great naval strength
17. This country attacked the U.S. on multiple occasions
18. A German leader