World War I

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Across
  1. 4. The area between two armies trenches that was full of barbed wire, debris, and bodies
  2. 5. A new type of weapon that poisoned soldiers and made them sick
  3. 7. Heavy cannons that fired explosive rounds very long distances
  4. 9. The assassination of Archduke Franz _______________ was a cause of WWI
  5. 12. The alliance made up of Germany, Italy, and Austria-Hungary
  6. 14. A signed document that ends a war
  7. 15. A heavy vehicle used in war to break through enemy lines
  8. 16. when a person or group kills an important figure like a political leader
Down
  1. 1. This war took place from 1914-1918
  2. 2. A political and economic ideology that became prominent after the Russian Revolution
  3. 3. Two groups fighting each other at a specific place
  4. 6. Joined World War I in 1917
  5. 8. A war that involves most of the major countries of the world
  6. 10. A type of battleship introduced in the early 20th century
  7. 11. The continent that most battles of WWI took place on
  8. 13. An agreement of countries to help each other
  9. 14. The areas dug into the ground that soldiers lived and fought in
  10. 17. The alliance made up of Britain, France, and Russia