World War 1

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Across
  1. 7. Biased Information to manipulate public opinion
  2. 8. A gas known as a blistering agent
  3. 10. Practice of negotiating and building relationships
  4. 12. Opposed the axis powers
  5. 14. Deaths of civilians and troops
  6. 15. The land in-between combat and trenches
  7. 17. Neither side is winning or losing
  8. 20. A form of combat in deep ditches
Down
  1. 1. A blimp like aircraft
  2. 2. A formal partnership between two countries
  3. 3. A gas that is a toxic and yellow-green color
  4. 4. Siberian terrorist group
  5. 5. Historical communication system
  6. 6. Practice of treating people equally
  7. 9. Opposed the allied powers
  8. 11. A military conflict that uses all of the nations resources
  9. 13. A armored combat vehicle with treads
  10. 16. Pledging loyalty to your country
  11. 18. German submarines
  12. 19. Leading member of the central powers