If the competing parties are unwilling to try to be reasonable with each other and to make decisions civilly in pursuit of the well-being of the whole, which will require them to give up things that they want and might win in a fight, there will be a sort of civil war that will test the relative powers of the relevant parties. In this stage, winning at all costs is the game and playing dirty is the norm. Late in Stage 5 is when reason is abandoned in favor of passion.