How did Lincoln Steffens help expose the corruption of machine politics?

dude the first thing it says is that copied answers will get a zero. plus it would take anyone on an incredibly long time to answer. ive seen 2 people asking the exact same question and their questions got taken down. i have the assignment too, and im in the progress of doing it. i suggest going to a more private website, because this is the first place teachers look.

answer; pentagon papers, vietnam draft-resistor, james dean, american revolution;

answer; passive listening;