In Muller v. State of Oregon (1908), it was decided that women shouldn´t work over 10 hours a day. Although it seemed to benefit the well-being of female workers and having been praised by contemporary progressive reformers as a triumph in the battle for better working conditions for women, in fact, this decision led to further protecting legislation that was pernicious to workplace equality.
It truly means to work together. Demonstrate can be used to mean participate in an action or do an action. So what it really means is just cooperate or work with one another
