The union view the south as a slave state
My guess is 100 miles I hope that helps :)
Mostly the reasons were economic. The country's economy was dismembered when it entered the great depression and they had to take care of that. The South used this to reinforce its values because nobody was bothering them since the great depression forced the government to move its focus on something else.
They are the three sister's because they are the main crops in agriculture.
