World War I

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Across
  1. 2. sickness
  2. 3. an agreement between two nations to cooperate with one another
  3. 4. someone who supports or cooperates with another
  4. 5. something that makes you sick
  5. 7. building up one's armed forces to be ready for war
  6. 8. a deep ditch in the ground
  7. 9. pride in one's country and culture
  8. 12. a period of fighting through a series of battles
  9. 13. a group of countries ruled over by another, more powerful country
  10. 14. announce officially
Down
  1. 1. a fight
  2. 2. to ruin something so that it cannot be repaired
  3. 3. to slowly weaken someone's defenses over time
  4. 5. building an empire by controlling other, smaller countries
  5. 6. neither side is winning
  6. 10. to give up; to agree that you have lost
  7. 11. something that makes something else happen