WWI

1. British ship sank by a U-boat killing 1000 people.
7. this weapon could fire 400/600 bullets per minute and crested massive causality rates.
9. USA adapted the policy to join neither side and stayed out of public affairs.
12. This feeling of pride led to rivalries between European Countries.
13. an organization of nations pledged to defend each other against aggressors.
15. Note sent to Mexico proposing an alliance with Germany.
16. These______ were separated by fields of barbed wire known as "no man's land."

2. A situation in which nothing can be done or won by either side.
3. This led to building a standing army and spending money on new war technology led to an arms race.
4. president of USA during WWI.
5. This country was blamed for the war and had to pay a huge debt.
6. Created by Great Britain. Heavy armored vehicle that was immune to machine guns. Moved too slowly, hey were effective in breaking barbed wire and crossing trenches.
8. Treaty that ended the war
10. countries promised that when one country went to war, their allies would come to their defense.
11. Archduke assassinated in Sarajevo that led to the war.
14. empires were spreading around the world. other countries jealous wanted to take lands, and this spread, especially in Africa.