What was the effect of the Supreme Court's decision in the case of Lochner v. New York ? The Progressive movement suffered a setback because a state law that limited the workday to ten hours was struck down . The Progressive movement suffered a setback because the court refused to hear the case. The Progressive movement succeeded because the court upheld the ten-hour workday limit. The Progressive movement succeeded because the court ruled that forcing laborers to work for ten hours per day was unconstitutional​