The correct answer for above statement is:
It is the division of powers between a national government and the state governments" is the best option in terms of the description of federalism, on which the US government is based.
Explanation:
Federalism is the combined or composite method of government, connecting a global management (the central or 'federal' government) with provincial governments (provincial, state, cantonal, regional or other sub-unit governments) in a single political system. Its distinguishing feature, represented in the founding example of modern federalism by the United States of America under the Constitution of 1787, is a relationship of parity between the two levels of management established. It can thus be defined as a form of government in which there is a separation of powers between two levels of administration of equal rank
