Societies divide because people badly adapt their moral judgments from the micro level to the macro level. To heal them, we need a theory that allows us to achieve our political goals in more constructive ways. The Theory of Moral Duality is this theory. It helps us to avoid destructive political ideas, find common ground, and achieve our political goals without endangering the stability of society.
Political conflicts are often fought by good people on both sides, honestly trying to further their definition of the good, but turning against each other nonetheless. The Theory of Moral Duality explains this process, its causes, and its solutions.