Answer :
Political machines were about A. ensuring public harmony and safety. Since they fought for votes and for people to support their candidates, they had to ensure that everyone was satisfied and safe so as to have them vote for them. The hierarchical system would ensure that everyone who supported had their place in the new governmental system, so everyone wanted to support those who was a favorite to win.
E) Satisfying voter needs and making the bosses wealthy
Explanation:
A political machine is a political organization in which an official boss or small group commands the assistance of a corps of supporters and businesses, who sustain rewards for their efforts. The machine's power is based on the strength of the workers to get out the vote for their applicants on election day.