The Barbarian West, A.D. 400-1000: The Early Middle Ages [1952 ed.]

"In the fourth century the Roman Empire was under threat. The Barbarians were becoming a powerful force in Europe, and the Huns, the most savage of these tribesmen, were sweeping south towards the imperial frontiers. At the same time the Empire faced growing internal social and economic problems: plague and war had diminished the agricultural population and productivity was falling; the army was under increasing strain in defending the extensive boundaries. Christianity, too, continued to p...