world war 1

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Across
  1. 3. Gas Poisonous gas used against the enemy
  2. 6. Teams of troops,ships,or equipment.
  3. 9. a deadlock in which neither side can progress .
  4. 10. heavy armored vehicle which could travel over barbed wire and across enemy trenches
Down
  1. 1. Shelter dug into side of trench.
  2. 2. Bags filled with sand, used in parapets.
  3. 4. Boards laid as track over wet/muddy ground.
  4. 5. guns These weapons fire a very fast stream of bullets for a long time
  5. 7. Line going sharply from side to side. Used in trench warfare to limit the damage of bombardment.
  6. 8. warfare war from inside trenches enemies would try killing each other with machine guns, tanks, and poison gas
  7. 11. Mans Land Area separating opposing armies in trench warfare.