Congress passes a law criminalizing the failure to make child support payments owed to a former spouse. A defendant challenges the law, arguing that it exceeds Congress's legislative powers in Article I. These arguments would be MOST helpful to the government in defending the law!
a) The law addresses a matter of national economic concern
b) Child support is a state-level issue and not within federal jurisdiction
c) Congress has the authority to regulate family relationships
d) The law is necessary to protect the welfare of children