SS9 Cross Word puzzle

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Across
  1. 7. War where there are no rules and anything is allowed
  2. 9. The belief that your country is the best country
  3. 10. Russia, Great Britain and France formed a ___
  4. 15. The process of making many factories
  5. 16. Using way too much
  6. 17. Uniting all the Slavic people
  7. 19. Three countries form a team
  8. 20. Countries competing to create the better technology
Down
  1. 1. The belief that using the military to solve problems is a good idea
  2. 2. The final terms and refusing them will result in a breakdown of friendship
  3. 3. Wearing down the enemy so much that they collapse
  4. 4. The system where the country is ruled by an emperor
  5. 5. The idea of having twice the amount of force than the second most powerful force
  6. 6. When two allies attack at the same time creating two fronts
  7. 8. A secret criminal organization in New York
  8. 11. The land between two opposing armies
  9. 12. The name given to German plans in World War I
  10. 13. War in trenches
  11. 14. Having unlimited freedom
  12. 18. A friendship formed on mutual agreement