World War I

2. military alliance of Germany, Austria-Hungary, Bulgaria and the Ottoman Empire
4. the belief or desire of a government or people that a country should maintain a strong military
6. free market economy or free enterprise economy economic system
8. naval submarines operated by Germany
9. declared war on Serbia, effectively beginning the First World War
12. a type of combat in which opposing troops fight from trenches facing each other
13. the area between opposing armies and trench lines
17. an agreement between Germany, Austria-Hungary, and Italy.
18. political, social, and economic philosophy encompassing a range of economic and social systems
19. Russia, France, Japan and the British Empire were this

1. relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970
3. an agreement made by opposing sides in a war to stop fighting for a certain time, or a truce
4. was the main source used to kill opposing enemies
5. a policy of extending a country's power and influence through diplomacy or military force
7. pledging to give adequate warning before sinking merchant and passenger ships and to provide for the safety of passengers and crew.
10. The leader of central powers in WWI
11. support for the political independence of a particular nation
14. was at war against germany and austria
15. Posters were used to try to persuade men to join friends and family
16. a person who believes that war and violence are unjustifiable.