How did Islamic expansion impact the economic and cultural development of Africa

Explanation:The historial impact of Islam upon trade, particularly in West Africa, greatly increased the wealth of African people and helped form many great African empires.

https://www.tandfonline.com/doi/abs/10.1080/02666958808716085?journalCode=cjmm19

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

i think the answer is: cuba wanted to be independent from spain, and the u.s. wanted to end spanish rule in the west.

hope i

-lavira : )