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Across
  1. 3. This was invented by Al-Khwarizmi
  2. 4. The caliphate that increased their area the most
  3. 6. This was from Yemen
  4. 8. The Western Roman Empire
  5. 9. Modern-day Iran
  6. 11. The period in Europe where advancement and knowledge was hindered
Down
  1. 1. Small instrument used to locate the sun and Mecca
  2. 2. The short-lived caliphate that was before the Umayyads
  3. 5. They laid siege to Baghdad in 1258
  4. 7. Contains the House of Wisdom
  5. 10. Capital of Egypt and was a hub of the golden age