WWI

4. an offer of land from Germany to Mexico in exchange for fighting the U.S. which helped bring the U.S. into WWI
6. an organization created to prevent future world wars
7. the President of the United States who helped create the League of Nations
8. a chemical weapon that when breathed in causes major lung damage leading to death
10. two Central Powers countries
13. desire for land and colonies
15. pride and patriotism

1. a weapon that killed millions by firing hundreds of bullets per minute
2. a document that officially ended the war
3. a form of fighting in which opposing sides attack and defend from systems of ditches dug into the ground surrounded by barbed wire
5. new technology and weapons
9. the Prince of Austria-Hungary who was assassinated and sparked the start of WWI
10. two Allied Powers countries
11. Increasing military size
12. ships that can submerge underwater and fire torpedoes at enemy ships
14. Friendship between countries