Answer:
Another effect of the spread of Islam was an increase in trade. Unlike early Christianity, Muslims were not reluctant to engage in trade and profit; Muhammad himself was a merchant. As new areas were drawn into the orbit of Islamic civilization, the new religion provided merchants with a safe context for trade.
I did some quick research, and your answer would be the Organisation for Economic Co-operation and Development. Hope this helps!<span>
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Answer:
I'm guessing it's a diploma.
