Why are separation of powers and checks and balances important to the organization
of the U. S?

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.

answer; protectionism fosters competition and keeps price regulated;

answer; theory of mind;

answer; grew into towns and cities;