I believe the answer is D. <span>It united many different European kingdoms under a shared religious culture.
When roman empire falls, the fragments of what used to be territories formed their own kingdom/Governance.
and even though the kingdoms/governance are now separated, they still held into their religious Christian traditions as some sort of guidance in their life</span>
IiiiiiiDdddddddddKkkkkkkkkkkk
It was basically free labor for them and they pretty much got rich off of it
The great agriculture empire located in Cuzco, Perú
