World War I -- no spaces in answers

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Across
  1. 4. He killed the Archduke of Austria-Hungary
  2. 7. Describes the generation in Europe post-WWI
  3. 8. He was assassinated in Sarajevo
  4. 10. Country that underwent a Revolution during WWI
  5. 11. Used by Germans first and then all nations
  6. 15. Warfare that was fought in Western Europe
  7. 16. At the end of the Russian Revolution, this man was in power in Russia
  8. 17. At least this many millions were killed in WWI
  9. 18. Came about at the end of WWI and killed just as many world wide
  10. 19. Agreements that dragged many nations into war
Down
  1. 1. Empire that does not exist after WWI
  2. 2. Empire that does not exist after WWI
  3. 3. Country that Austria-Hungary declared war upon
  4. 5. Countries of Europe wanted to carve up world
  5. 6. Most soldiers thought the war would be done by ______
  6. 9. This treaty ended WWI
  7. 12. When the war was over, this country was blamed by the victors
  8. 13. A nickname for World War I
  9. 14. When Germany invaded this country, England decided to enter WWI
  10. 17. The idea that all aspects of a society are part of the war