A map titled Trade Routes in Medieval Arabia. Land trade routes include the cities of Baghdad, Cairo, Medina, Mecca, Sanaa, Aden. Sea trade routes include the cities of Muscat, Aden, Mecca, Cairo, Baghdad.

Study the map. Which cities grew because they were located on trade routes and a river? Choose two correct answers.

Baghdad
Cairo
Mecca
Medina
Riyadh

The two correct answers are:

1. Baghdad
2. Cairo