D. The region lies on the border of two tectonic plates
They saw plessy v Ferguson as that the were "separate but equal" meaning that all races were given the same opportunities but were segregated.
Let me know if this is right/ helps!
It was a strategic point in the Tennessee River. The union wanted to gain control of the tributaries that flowed into the Mississippi River. Southern troops were not defending this place. It was a stronghold protecting the North.
