The medieval Songhai did not have the capital of Cairo, therefore the given statement “its capital, Cairo, was on the bend of the Niger River” is false.
Answer: Option C
Explanation:
The empire of Songhai is a medieval state which has the capital of Goa with its historical significance during the post classical era. Later to which, it was replaced into Mali.
Cairo is the capital of Egypt. Rest other option stating its prosperity about trading and to worship the Songhai Gods is absolutely true. Religious belief of Islam took over the Mali and so option D and option E is also true.