Len, a citizen of Maryland, obtains a federal license to operate a commercial

fishing boat in Chesapeake Bay.? Len, a citizen of Maryland, obtains a federal license to operate a commercial fishing boat in Chesapeake Bay. The Maryland state legislature enacts a law that bans all commercial fishing in the bay. The state law most likely violates
a.no provision in the U.S. Constitution.
b.the commerce clause.
c.the supremacy clause.
d.the due process clause.