Answer:
Much of African history was preserved via oral rather than written tradition. They live in a print-based culture that is one of the markers of civilization, which implies that people who don't use writing aren't civilized.
Explanation:
Heres a quizlet with good answers:
https://quizlet.com/235890353/review-questions-for-mansa-musa-and-islam-in-africa-flash-cards/