Across
- 4. The countries, including France, Britain, Russia, and later the U.S., that fought against the Central Powers.
- 5. The assassin who killed Archduke Franz Ferdinand.
- 9. A British ship sunk by Germany in 1915, killing 1,198 people and leading to U.S. involvement in the war.
- 12. A strategy where merchant ships traveled together for protection from German submarines.
- 13. The agreement in 1918 to stop fighting, ending World War I.
- 14. The dangerous area between opposing trenches, where soldiers risked death.
- 15. An international group created after World War I to promote peace, but the U.S. didn't join.
- 16. The countries of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria in World War I.
- 17. A part of the Treaty of Versailles that blamed Germany for starting World War I.
- 19. A deadly flu pandemic in 1918 that killed millions of people worldwide.
- 21. The German Emperor during World War I.
Down
- 1. Information used to influence public opinion and encourage support for the war.
- 2. Deadly new weapons used in World War I, like machine guns, poison gas, tanks, and airplanes.
- 3. Payments Germany had to make to the Allies for damages caused during the war.
- 6. U.S. President Woodrow Wilson’s plan for peace, including the idea of a League of Nations.
- 7. The 1919 peace agreement that officially ended World War I and punished Germany.
- 8. A secret German message asking Mexico to join the war against the U.S., which helped bring the U.S. into the war.
- 10. A style of fighting where soldiers dug trenches to protect themselves from enemy fire.
- 11. The heir to Austria-Hungary whose assassination in 1914 sparked World War I.
- 18. The 1917 uprising that overthrew Russia’s Tsar and led to a communist government.
- 20. A 1917 U.S. law that drafted men into military service for World War I.
