History Crossword

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Across
  1. 2. Called the "Gift of the Nile"
  2. 3. Where Islam originated
  3. 8. Who lords granted land to for service
  4. 9. Where Buddhism originated
  5. 12. How trade and technology spread
  6. 13. How the catholic church provided unity
  7. 14. Where the earliest viking invasion occurred
  8. 15. Where Christianity originated
Down
  1. 1. Extracting metals and modifying them for use
  2. 4. Ruled by Genghis Khan
  3. 5. What was first conquered by Mongols
  4. 6. What also originated in israel
  5. 7. how christianity spread
  6. 10. Who held the power of the Catholic church
  7. 11. Crossroad for European crusaders