The First World War

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Across
  1. 3. To join a group, like the army.
  2. 6. Believing good things about something.
  3. 7. When something is new, inventive, and a really good idea.
  4. 9. to make an offical announcement of something important, like "a declaration of war"
  5. 10. When someone does great things, like saving someone or protecting someone.
  6. 12. A long ditch in the ground to protect soldiers.
  7. 13. In war, someone who is killed, wounded or prisoner.
Down
  1. 1. How something really is, even if you thought it would be different.
  2. 2. Where the enemy is. Usually in a spot they can defend.
  3. 4. An underwater boat that hunts enemy ships.
  4. 5. What you think something will be like.
  5. 8. A plan or a method to win.
  6. 11. To be out of energy or supplies.