In 1908, the supreme court ruled muller v oregon that

Oregon passed a law that aforementioned that girls may do the job no over ten hours every day in manufacturing plants and laundries. A girl at Muller's laundry was needed to do job over ten hours. Muller was condemned of disobeying the law. His attractiveness eventually was detected to the U. S. Supreme Court. The case confirmed a preceding in time in 1908 to expand the reach of state activity into the domain of protecting labor legislation.

In 1908, the supreme court ruled in Muller V Oregon that the state was right and just and that women's working hours should be reduced due to physical differences between male and female workers.