The US Supreme Court Ruled That Congress Lacked the Power to to Regulate

The U.S. Supreme Court ruled that Congress lacked the power to regulate goods produced by child labor in the case of

A) United States v. E. C. Knight Co.
B) Hammer v. Dagenhart.
C) Lochner v. New York.
D) Marbury v. Madison.
E) Katzenbach v. McClung.