Central Asia

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Across
  1. 1. Saudi's most common religion
  2. 3. Country that started Persian Gulf War
  3. 4. People who move from place to place
  4. 7. "Land between the rivers"
  5. 10. Home to world's first civilization
  6. 11. Capital of Iraq
  7. 13. Provided way for European merchants into Asia
  8. 15. Capital of Iran
  9. 17. Country named after "40 clans"
  10. 20. Iran's current type of government
Down
  1. 2. Largest sand desert in the world
  2. 5. Wet, fertile area in a desert
  3. 6. Saudi Arabia's type of government
  4. 8. Persian title for a king
  5. 9. Largest of the countries on Arabian Peninsula
  6. 12. Poorest country on Arabian Peninsula
  7. 14. Completely surrounded by land
  8. 16. A drastic change in a country's way of life
  9. 18. Movable round house made of wool and wood
  10. 19. Suitable for growing crops