The United States has a federal political system. The framers of US constitution made it based on the principles of Federalism. Federalism is a system in which political power is shared by national and sub-national governments. A national government is the central governing authority in a country. Examples of sub-national governments include states, provinces, and territories. Political scientists tend to distinguish federal systems from the two other major categories: confederal and unitary systems. A confederal system is one in which sub-national units have nearly all the political power (Cheney & Harlin, 2008). If I were ...