When comparing the governmental systems of the Roman Empire and the twentieth-century United States, what commonality is noted?

Both the Roman Empire and the twentieth-century United States exhibit elements of federalism, even though the nature and structure of their governance differ significantly. In the United States, federalism involves a division of powers between the national and state governments, allowing for a complex system of governance that promotes local autonomy while maintaining a strong central authority.

In the case of the Roman Empire, while it was predominantly a single centralized authority, it also had regions that were governed by local leaders who maintained a degree of autonomy. This system allowed for the management of vast territories with diverse cultures and legal systems. The Roman provinces enjoyed certain local privileges under the overarching authority of the Emperor, which demonstrates a form of administrative federalism, albeit in a less structured way than the modern understanding of federalism in the United States.

This shared characteristic highlights how both governance systems sought to balance control and localized rule to manage large, diverse populations, emphasizing the complexity and adaptability of their respective governmental structures.