World WarI

2. This battle fought between July 1 and November 1 of 1916 in Northern France was one of the longest of the WW1
6. Signed on November 11, 1918 this ended fighting on land, sea, and air.
7. A secret diplomatic communication issued from the German Foreign Office
10. This battle was fought form September 26 to November 11, 1918 and was apart of a series of final confrontations on the Western Front during WW1.
12. A system where a powerful nation controls and exploits one or more colonies.
13. Idea spread to Influence public opinion for or against a cause.
14. An armored military vehicle sometimes equipped with a cannon.
15. A union formed for mutual benefit between countries.
17. one of the Central Powers this country violation of its pledge to end unrestricted submarine warfare in war zone waters caused the U.S.to enter the war.
19. Gavrilo, A member of the Black Hand who assassinated Archduke Franz.
20. This country was apart of the Triple Entente and was bound by a treaty to protect Russia.

1. Established on Jan 10,1920 The______ of Nations was developed as way to solve disputes before they erupt into war.
3. Archduke Franz whose assassination sparked WW1.
4. This battle was fought from February 21 to December 18, 1916 it was the longest battle of the war.
5. Pledge given to the United States by Germany on May 4 1916
8. The desire of a government to maintain a strong military capability and be prepared to use aggression.
9. Patriotism that is marked by feelings of superiority over other countries.
11. World War1 officially ended with the signing of this treaty on June 28,1919.
16. The_____ Service was signed by President Woodrow Wilson on May 18,1917
18. narrow ditch