As a matter of fact, barbarism did break out after the flower had fallen from Neoplatonism.
War is the ultimate barbarism, the primitive belief that fighting determines who is right—but of course it doesn't.
There was no indigenous recorded history of the country, the people being steeped in barbarism and devoid of any written language.
Napoleon, moreover, he regarded not as the scourge of Europe, but as the defender of civilization against the barbarism of the Slays; and in the famous interview between the two men at Erfurt the poet's admiration was reciprocated by the French conqueror.
It is not strange that these fortifications defied the assaults of barbarism upon the civilized life of the world for more than a thousand years.