Under the roman empire, citizenship and loyalty to the empire governed society. what governed society after the empire fell? a strong professional military a bond of language and culture centralized rule personal ties and relationships

After the Roman Empire fell, an important thing that governed society was religion and a bond of language and culture. Christianity became the only religion in Rome, and with the language factor and the importance of the cultural legacy, society could stay together. In the early days after the fall of the Empire, political structure was not as strong as in the previous years, but the Church was beginning to establish control.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.