World War One

2. The agreement to become friends and help each other during war
5. The name of the Austrian-Hungarian prince that was assassinated by Serbian nationalists
7. The building up of weapons and supplies to prepare for war
11. This secret letter from Germany to Mexico was intercepted and resulted in the U.S joining the war
13. This man was president of the U.S during the war
14. This side consisted of Russia, Great Britain, Italy, and the U.S
15. A foreign policy to take over lands for power and profit

1. The name of the terrorist group responsible for the assassination of the archduke
3. A situation in battle when neither side is able to make any gains
4. Another name given for WW1
6. This side consisted of Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire
8. Having a strong sense of pride and love for your country
9. this nickname was given to a newly developed weapon that was difficult to fight against in the ocean
10. A new style of combat that took place during WW1
12. The attacking and sinking of this passenger ship caused many Americans to feel angry, and was a reason for U.S involvement in the war
16. this weapon was capable of firing between 400-600 rounds per minute, and inflicted heavy casualties.