Is a central political issue in american history, which deals with the relationship between the federal government and the states.

State Rights is a central political issues in American History.

The Federal System.

Federalism is the division of power between the central government and the states. It defines which powers are reserved for the central gov, as written in the Constitution, for example, the power to create a common currency and trade with other countries. And reserves powers not designated for the central gov to the states, like licensing and traffic laws.