How did political machines maintain support of citizens?

Answer 1

Where? When?

Answer 2

Again, I'm sure your text materials address this question and the answer is waiting for you to read about it. Here are several articles about political machines:

http://www.bing.com/search?q=political+machines+and+patronage%2C+charity&form=EDGNTC&qs=PF&cvid=c94f011fff824f5184f371b6a292bd02&pq=political+machines+and+patronage%2C+charity