Verified answer

C.) Once they conquered a territory they would establish a separate camp for the Muslim troops. Cairo in Egypt was originally established as the Muslim garrison camp in Egypt. The Muslim leadership didn't want their troops to be corrupted by the local population. The country's administration was largely left to the same people who ran it before because the Muslims found they simply didn't have the people to do it themselves.

i hate multiple choice answers its just another way teachers lie ! Muslims rule was often better on the people more food, trade and better human rights they did not kill unless you where proven guilty! they let you worship you re own god and did not require taxes unless you owned land!

E, the people who live in these land chose to revert for Islam by very free choice.