Have had the most impact on central african history and cultures.

a.) americans and tribes from west africa

b.) europeans and tribes from east africa

c.) europeans and tribes from west africa

d.) europeans and tribes from north africa

the answer is d. amendments.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.