Test 5 - WW1

4. Large guns used in World War I to fire big shells at the enemy from far away.
5. Chemical weapons used to injure or kill soldiers.
10. A secret message from Germany to Mexico promising land if Mexico joined the war against the U.S.
12. Money Germany was forced to pay to the Allied countries for war damages.
13. Flying machines used in World War I to spy on enemies and later fight and drop bombs.
14. The global war fought mainly in Europe from 1914 to 1918.
16. The peace treaty that officially ended the war and punished Germany with blame, land loss, and heavy reparations.
20. Strong pride in one's country or ethnic group.
21. The President of the United States during World War 1.

1. A German underwater ship used to attack enemy vessels.
2. The belief that a country should build a strong military and be prepared to use it.
3. An agreement to stop fighting. World War I ended with an armistice in November 1918.
4. Agreements between countries to help each other in war.
6. Information used to influence public opinion and encourage support for the war.
7. When a country tries to gain power by taking over land or colonies.
8. A policy of staying out of war.
9. A British passenger ship sunk by a German submarine in 1915.
11. A heavy armored vehicle designed to cross trenches and break through enemy lines.
15. An international organization created after WWI to prevent future wars.
17. A fighting style where soldiers lived and fought in long ditches called trenches.
18. Countries that fought together in WWI, including Germany, Austria-Hungary, and Italy.
19. Countries that fought together against the Central Powers, including Great Britain, France, Russia, and later the United States.