The main object of the movement was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of their low-income neighbors
I'm not 100 percent sure on this, but I think it basically means "A smart leader makes the law promote others and not himself. He makes the law judge others, but does not add anything unnecessary in order to control others." I hope this helps.
He believed that ordinary people (not just the wealthy) should participate in American political life. They had the right to vote and hold political office. Voters could choose presidential candidates.
