Which of the following methods was used by political machines to gain and keep power in local politics?

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.

depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.