The passage from the 11th century by Arab Geographer - Al Bakri tells the story of Ancient Ghana and how it is that there were religious tensions between Islam and the indigenous religions of the Soninke.
Because it was in the ancient period, transportation was still medieval. It took a month and ten days (approximately) to cross the Sahara Desert from a coastal city to Ancient Ghana.
The mode of transportation then was Camels. The Ancient Ghanian empire became the home of two major religions:
See the link below for more about Ancient Ghana:
https://brainly.com/question/1869457