World War I

2. part of the Treaty of Versailles in which Germany took responsibility for the war
5. laws that enacted harsh penalties against anyone opposing US participation in World War I
10. movement of many African Americans to northern cities from the South in early 1900s
12. the space between armies fighting each other
14. agency to improve efficiency in war-related industries
18. truce agreement
19. French premier (leader)
21. British prime minister
24. an international peace-keeping organization proposed by Wilson and founded in 1920
25. having merchant ships travel in groups protected by warships
26. young heir whose assassination triggered the war

1. law requiring men to register for military service
3. payments made by defeated countries after a war
4. Wilson's plan for world peace following World War I
6. the name given to the American military force that fought in World War I
7. head of the Committee on Public Information (CPI), the government's propaganda agency
8. a devotion to the interests and culture of one's nation
9. message proposing an alliance between Germany and Mexico
11. the 1919 treaty that ended World War I
13. one side in World War I: Great Britain, France, and Russia, later joined by the U.S.
15. British passenger ship attacked and sunk by Germans
16. building up armed forces to prepare for war
17. a kind of biased communication designed to influence people's thoughts and actions
20. one side in World War I: Germany, Austria-Hungary, and the Ottoman Empire
22. a person who believes fighting is wrong and therefore does not want to serve in the military
23. fighting between fortified ditches