China has been ruled by the Communist Party since 1949. Which type of government does China have? and I am sorry I can only offer 15 points

Unitary one-party socialist republic

the atm that sounds like it should be the answer

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.