The form of government that was born in the ancient Greek culture was "Democracy," although it should be noted that this was a "direct" democracy as opposed to a "representative" democracy like we have in the United States.
We require the some more information regarding the very specific novel( what ever the genre may be). As, there should be a given paragraph or some phrases that are required to add more value to the given answer which is desired by the student in a given manner. As each of the plot relation to the possible theme of the unknown novel will be easy to be evaluated.