The Populist Party failed due to the Democrats' claim that Populists wanted to restore political power to black Mississippi

now you can mark brain hope this

answer; i believe the correct answer is prefrontal cortex;

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.