The Supreme Court in Lochner V

The Supreme Court in Lochner v. New York dealt a setback to progressives and labor advocates by ruling that

A) a law limiting the work day to ten hours a day was unconstitutional.
B) a law providing special protection for women workers was unconstitutional.
C) prohibiting child labor would require a constitutional amendment.
D) a law enabling business to fire labor organizers was constitutional.
E) fire and safety regulations were local and state responsibilities, and could not be determined by the federal government.