"I have a new theory about the fall of the Roman Empire. Forget the fact that the Empire had expanded too far to be defendable, that the population had too many different cultures with its own agendas, that the army was made up of too many mercenaries, or that Roman society was only a consumer society, corrupt and morally bankrupt, too dependent on slaves and its living necessities from its vulnerable outer provinces instead of from itself.

“Sure, it was the competition for scarce resource..."