The answer is.
The type of technology used within the school.
the installation of a fountain
and the equipment needed in the cafeteria to provide healthy or unhealthy lunches.
Segregation and Jim Crow as well as other constitutional measures
Because the south wasn't as civilized as the north and relied more on agricultural business and shipping to those in the north so when the war started there was a embargo on any products from both sides
I think race relations is good because people shouldnt be able to say what color skin someone gotta be to hang out with or ever marry them.