Sectionalism became very tensed in the late 1940s because of the separation of the North and the South because of the slavery. People in the North were focusing on industrializing, urbanizing, and building factories while the people from the South concentrated in agriculture. The Southerners was claiming that the North's factories weren't treating everyone fairly and lead into a war.
Answer is it encouraged the growing of cash crops
In the court case "brown vs board of education", thurgood marshall and other colored people from the NAACP fought to desegregate schools. the winning of this case helped to end segregation and gave colored people the confidence to bring other cases to court.
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