The answer D: The businessmen and merchants.
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1. Muhamad received his first message from God while meditating in a cave
2. Muhamad created the first Muslim community
3. Muhamad moved from Makkah to Madinah with his followers
4. Abu Bakr became the leader of Islam after Muhammad
Hope this helps!
(2) Andes mountains were an obstancle to Bolívar’s efforts to unify Gran Colombia