Where were many of the Arab trade routes established during the Middle Ages?

A.
in the Arabian Desert

B.
near rivers and the coast

C.
along the Persian Gulf

D.
by Nile River Delta

The correct answer is letter B

Explanation: The "Arab Empire" or "Islamic Arab Empire" is closely linked to the expansion of Islam and constituted a state that dominated much of the Asian continent, North Africa and the Iberian Peninsula between the 7th and 13th centuries. Indeed, their unity was possible thanks to the legitimacy that Muhammad and his Caliphs enjoyed before the Arab tribes and the conquered peoples.