One factor that constributed to the rise of sectionalism after the war of 1812 was:
a. stricter voting laws
b. the fall of free enterprise
c. an increase in the number of men voting
d. a decrease in the population of the united states

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.

it's the under parts of the car