Growth of islam.

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Across
  1. 2. Muhammad's son in-law
  2. 4. had superior military skills
  3. 5. founder of islam
  4. 6. is the shared language of muslims
  5. 8. 2nd caliph
  6. 9. "international city's"
Down
  1. 1. 3rd caliph
  2. 2. 4th caliph
  3. 3. governor of syria
  4. 7. 1st caliph