Why did the spread of islam to swahili coast to increase trade there?

a.) islam unified the cities of the coast and connected them more closely to other muslim traders.
b.) the influence of islam caused the swahili people to learn arabic as a common language.
c.) because mohammed was the merchant muslims have always revered encouraged trade.
d.) islam discouraged the consumption of alcohol, which reduced crime in the ports.

The correct answer is: A.) Islam unified the cities of the coast and connected them more closely to other Muslim traders.

Islam gave a common language, religion, and culture which bonded trading cities together.

Hello

Islam unified the cities of the coast and connected them more closely to other Muslim traders.

Hence the correct option is

option A✔✔

Thanks

i'm pretty sure the answer would be

c. england

hope this best of luck sorry if i'm wrong

~animaljamissofab ♥

answer: a tolerated diverse population

explanation: the city of baghdad formed to vast semi- circles on the right and left banks of the tigris twelve miles in a diameter.