The case of Lochner v. New York represented a setback for progressives and labor advocates because the Supreme Court in its ruling
a. declared a law limiting work to ten hours a day unconstitutional.
b. declared unconstitutional a law providing special protection for women workers.
c. declared that prohibiting child labor would require a constitutional amendment.
d. upheld the constitutionality of a law enabling business to fire labor organizers.
e. ruled that fire and safety regulations were local and not state or federal concerns.
Answer: A