I believe the answer is C, plz let me know if im wrong!
Answer:
So we would have evidence. We don't want to make people think we copied our answers or looked them up. We want to set a good example. We want to show what we know.
Elaborate your question more about who you need the information
Like policy of each ??? What ?? Presidents !! But which presidents ?
Sorry
It would be "d. eight-hour days" that was not a problem faced by workers in nineteenth century mills or mines, since legislation advocating for strict working hours did not come about until the Progressive Era.