Who was eugene v. debs?
a. the author of the communist manifesto
b. the head of the socialist labor party
c. a marxist writer and revolutionary
d. an american socialist who ran for president

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.