combined vertical and horizontal integration
The south East including Florida, Georgia, Texas, New Mexico, and Arizona.
Land masses formed barriers and only 1 path allowed trade
Answer: Most likely people broke them. Knowing how people are, probably just broke them apart, or at least I would think.
Explanation:
It happened a lot to old rhome ancient history items
The answer would be a.The lords needed to protect their land from other nobles. Hope this helps:)