Luke and Tyler WW1 Crossword Puzzle

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Across
  1. 2. is divided on each side, and it's a big trench and nobody owns it.
  2. 4. Solving problems with a country's military.
  3. 5. Donated funds for the soldiers that you invested.
  4. 7. A ship the Germans destroyed in World War 1.
  5. 10. A weapon that kills soldiers by making them unable to breathe.
  6. 11. The longest battle of World War 1.
  7. 13. expanding borders.
Down
  1. 1. The President during World War 1.
  2. 3. were gardens made to ration food for soldiers.
  3. 6. Another name for Harlem Hellfighters.
  4. 8. countries promise to care for each other.
  5. 9. A country only focusing on itself.
  6. 12. The belief that your is better than all other countries