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Across 1. an agreement to stop fightinhg. 5. battle strategy in which soldiers fought from deep pits dug into the earth. 6. world war 1 alliance that included Great Britain France and Russia. 10. America joined this side when it entered the war. 12. alliancethat included Germany, Austria-hungary. 14. new weapon that caused chocking, blindness, and death. 15. the region of Europe called a "power keg" because it was so volatile.

Down 2. Germanys battle strategy that called for quick defeat. 3. stretch of battlefield along the German and Russian border. 4. this country belonged to the central powers during WW1. 7. this was sent to Mexico hoping it would ally itself with Germany against the US. 8. the region of France that became a bloody stalemate. 9. leader of Russia up until 1917. 11. government system of allowing only small amounts of items to be bought. 13. new war ship introduced by Germany that used undersea torpedoes.