What is the fundamental concept behind federalism? O States retain their sovereignty and use the national government only as an arbiter.
O There is one single system of national law, drafted by the federal government and administered
by the states.
O The federal government is sovereign and the states have no power except what the federal
government grants them.
O Although the national government may make law, the state governments decide whether or not
to follow it.
O Some powers belong to state governments; others belong to the national government.