I'm thinking B. But could be wrong:/
<span> by the time he was born city was prosperous </span>
<span>- Makkah didn't have agriculture- merchants traded instead </span>
<span>- merchants got a lot of money from trading in general but especially from Yemen </span>
<span>- was a religious center </span>
- merchants came to Makkah because it was conventionally located
<span>-was a desert </span>
<span>-was a center of trade/ was a trading city</span>
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