Lionel Crossword Puzzle

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Across
  1. 1. The first empire on which the sun never sets
  2. 3. The most important thing Buddism focus on
  3. 6. An ancient Mesoamerican city located in a sub-valley of the Valley of Mexico
  4. 8. The person who led October Revolution
  5. 12. A weapon developed by British and first used at the Battle of the Somme in 1916
  6. 16. warfare that includes any and all civilian-associated resources and infrastructure as legitimate military targets
  7. 17. System of trade routes both over land and sea connecting the different empires.
  8. 18. A weapon developed By the Germans to defeat the British Navy and cut off supplies from colonies.
  9. 19. The biggest religion in the world
  10. 20. The country who strated WW1
Down
  1. 2. I in the MAIN cause of WW1
  2. 4. The founder of Buddism
  3. 5. An ancient civilization in America
  4. 7. The Communist Worker Party
  5. 9. N in the MAIN cause of WW1
  6. 10. The crisis before WW1
  7. 11. the representive of USA in League of Nation
  8. 13. M in the MAIN cause of WW1
  9. 14. A in the MAIN cause of WW1
  10. 15. "The Sick Man of Europe"