... of what has been called feudalism. That is to say, the natural and universal result of an era of conquest by a wandering people is that the new settlers hold their possessions from the conqueror on terms essentially contractual. The actual agreements have varied constantly in detail, but the main principle has always been one of reciprocal rights and duties. So at the early dawn of the Middle Ages, after the period picturesquely styled the Wanderings of the Nations, ... — Mediaeval Socialism • Bede Jarrett
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