Martin luther, john calvin, and henry viii all
played a key role in the

answer; /// i do believe that the correct answer is (d) cooperative play; /// good luck

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.