70 percent of the districts population
Well...I think history is the investigation of past occasions, especially in human issues. Hope this helps!
Problems associated with the "urban machine" were that they were undemocratic and were corrupt. They moved the political system to allow candidates to win based upon vote-buying, coercion, and other corrupt methods. They were therefore effective or ineffective depending on the relationship you had with the machine and also whether or not you wanted to see a democratic system or not.
