Battle of The Somme

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Across
  1. 3. Underground shelter dug into the side of a trench for protection.
  2. 5. The forward movement of troops into enemy territory.
  3. 6. The military line closest to the forces of the enemy.
  4. 7. The central power that faced the Allied offensive.
  5. 10. The nation where this bloody offensive took place.
  6. 11. Heavy large-caliber guns used extensively to pound enemy lines.
Down
  1. 1. A major WWI battle fought near this river.
  2. 2. A military strategy of wearing down the enemy to the point of collapse.
  3. 4. A concentrated artillery bombardment over a wide area.
  4. 8. The alliance of nations fighting against the Central Powers.
  5. 9. Allied nation that suffered 57,470 casualties on the first day.