Respuesta :
I am pretty sure its the western edge of Pennsylvania, where the border was undefined.
Answer: The correct answer is : the western edge of Pennsylvania, where the border was undefined
Explanation: Backcountry was a term used in the colonial era. The rural border of colonial Virginia comprised from the Blue Ridge Mountains to the end of the Virginia settlement, but according to the Royal Charter the limits extended to the Pacific Ocean and in terms of backcountry they refer to new settlements in the eastern Appalachian Mountains.