Predict, looking at the physical map of China, where do you think most people live?

A.
In the mountains in the western part of China

B.
In the Plains in the eastern part of China along the water

C.
In the Desert area in the northern part of China

D.
In all parts of China, the entire country is inhabited (lived in)

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.