World war one

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Across
  1. 5. An official agreement that ended World War I.
  2. 8. Deep, narrow holes dug into the ground for protection during the war.
  3. 9. Man's Land: The perilous area between opposing trenches in World War I.
  4. 11. The study of land features and their impact on warfare.
  5. 13. A situation involving disputes, disagreements, or struggles.
  6. 15. The agreement that marked the end of World War I.
Down
  1. 1. Large, powerful nations involved in World War I.
  2. 2. A person who studies and writes about the past, including wars.
  3. 3. The coalition led by Germany and Austria-Hungary in World War I.
  4. 4. Gas: Lethal chemicals used as weapons during World War I.
  5. 6. Large-scale engagements between opposing forces.
  6. 7. Countries that remained uninvolved in the war.
  7. 10. The declining empire in the Middle East during World War I.
  8. 12. A group of nations that team up for a common cause.
  9. 14. A state of armed conflict and hostility.