What are cultural and political affects of islam expansion

In summary, the coming of Islam to Sub-Saharan Africa facilitated the rise of political empires, encouraged trade and wealth, and increased the traffic in slavery. In its pure form, Islam was more attractive to kings because of its concept of the caliph combined political power with religious authority.

Explanation:

must repent and believe in god.

or the book

journey across time - chapter 10 "the rise of christianity"

b is correct

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