the place where Islam was founded was a hotspot for trade because what

A-it was a tropical and Lush Place filled with copper selling such as sugar, tobacco, papyrus, and honey

b- the capitol of the roman Empire was located there. and traders could both earn money and petition the Roman government

c-gold had been discovered, causing traders to come from far and near to acquire this precious metal

D- it was centrally located between continents, so it was a good meeting-place to do business with other traders ​