How did the Supreme Court case Lochner v. New York limit reform?

In Lochner v. New York (1905), the Supreme Court struck down a New York law limiting bakery workers’ hours, ruling that it interfered with freedom of contract. This limited reform by preventing the state from enforcing that workplace-hours law. Choice A correctly describes the ruling; the Court did not say workplace laws belonged only to the federal government or ban them until 1930.

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