World War I

1. Agreement to end fighting
7. Characterized by trench warfare, stretched from Belgium to Switzerland
8. Large gas-filled balloons
9. Loyalty and devotion to a nation; especially: a sense of national consciousness exalting one nation above all others and placing primary emphasis on the promotion of its culture and interests as opposed to those of other nations
13. US President that was president during the end of WWI
15. When a nation prepares its military forces for war
16. Final set of demands
18. This American liner was blown up in 1915
19. Franz Ferdinand was assassinated in this country

2. Line of fighting between Russia and Germany and Austria-Hungary
3. A union or association formed for mutual benefit, especially between countries or organizations.
4. The treaty that ended WWI was signed in this city in 1918
5. A system and pursuit of empire; the process of accumulation and acquisition of land, resources, labor, and profits
6. A deadlock in which neither side is able to defeat the other
10. Name of a fight between two airplanes
11. This common fighting tactic was used primary on the western front of World War I. Its the main reason a stalemate occurred on the Western Front
12. The belief or desire of a government or people that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests
14. A policy of supporting neither side in a war
17. This telegram was sent by the Germans to Mexico, The Germans hoped that Mexico would attack the US