Debates Over Federalism ______

Debates over federalism ______.

A) were fully resolved by the Civil War that established the supremacy of the national government over the states
B) were fully resolved in the U.S. Constitution with the broad grant of powers to the national government
C) have not been fully resolved as debates over the Affordable Care Act, the legalization of marijuana, and immigration laws
D) have not been fully resolved because the states are increasingly unwilling to follow guidelines issued by the federal government