...empires and civilizations do not collapse because of deficiencies on the military or the political levels. - Carroll Quigley

...controls on behavior shift from the intermediate levels of human experience (social, emotional and religious) to the lower (military and political) or to the upper (ideological). They become the externalized controls of a mature society: weapons, bureaucracies, material rewards, or ideology.

The difference between a stable society and an unstable one is that the restraints in an unstable one are external. In a stable society government ultimately becomes unnecessary; the restraints on people's actions are internal, they're self-disciplined...

The fundamental, all-pervasive cause of world instability is the destruction of communities by the commercialization of all human relationships and the resulting neuroses and psychoses. The technological acceleration of transportation, communication and weapons systems is now creating power areas wider than existing political structures.