http://www.maxkeiser.com/2013/11/worlds-best-economist-explains-all-in-8...
This is a segment of a full length BBC documentary under the title "Surviving Progress." Michael Hudson explains how the late Roman Empire caused the nominal Dark Ages, through asset stripping of both the Roman empire and every other nation it came in contact with. The early part of the Roman Empire was based upon a level of real democracy, and access to land for soldiers.