I currently don't have the book yet, but reading this thread gives me hope for something I've been hoping to find: existing mechanics for modelling and tracking background political structures, because I want a way to do things like model the home fronts of warring factions.

Off the bat, I can think of many things I would use a way to model that for, such as a way to represent public support for the war effort, confidence in institutions, and the organization (or the nation's) willingness to continue supporting a war effort, the effectiveness of mass persuasion and the effectiveness...