Quote Originally Posted by Surferbeetle View Post
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Rome used their roads for much than just military warfare. The economic benefits to the Roman Empire were many.
Important parts of the Roman Imperial road network are still operative today (or at least the routes those Roman roads first followed). This re-emphasizes my point that if the road network is important enough to the economy/economic well being of the people, they will do a lot to defend/maintain it on their own.