World War 1 Review Crossword

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Across
  1. 4. When a country extends its power and influence over other regions
  2. 8. Became a standard weapon for trench raids and close-quarter fighting
  3. 9. The space in-between the trenches that no one dared to go
  4. 11. The ____ of Archduke Franz Ferdinand was the event that caused World War 1
  5. 13. A type of warfare where soldiers dig long, narrow ditches for protection
  6. 14. The belief in building up strong armed forces to prepare for war
  7. 15. Could fire 500 rounds per minute, placing soldiers into a defensive position
Down
  1. 1. This alliance of countries included Germany, Austria-Hungary, and Italy
  2. 2. Caused fluid to build-up in the lungs of soldiers, leading to potential death by choking
  3. 3. This alliance of countries included England, France, and Russia
  4. 5. Caused painful blisters to appear on affected areas and damaged the DNA of soldiers
  5. 6. Cleared enemy trenches by spraying fuel over large areas
  6. 7. Used to slow down advancements from enemy troops
  7. 10. A strong feeling of pride in one's country
  8. 11. Agreements between countries to support each other in case of conflicts
  9. 12. Provided a way for troops to break through trench lines, thus ending trench warfare