The Roman world was a lot better-developed than the post-Roman one -- much better roads, better law enforcement, more industrialization and specialization of wo

The Roman world was a lot better-developed than the post-Roman one -- much better roads, better law enforcement, more industrialization and specialization of work. They even had a bowstring factory in Ravenna; The Fall of Rome and the End of Civilization gives a sense of just how modern their society was (in some regards). Mobility for the poor was definitely a part of that.