Can States Make Their Own Laws?

America Is A Complex Tapestry Of Laws, From The Local Ones Passed By Your City Council To National Laws Made By Congress. Sometimes Congress Passes A Law To Build A Program, Such As The Affordable Care Act, And Then Hands Some Or All Of Its Administration Over To The States. Was It Always Like This? What Happens When A State And The National Government Disagree? Readers Find Out How These Issues Have Evolved Since Before The Constitution Was Signed.