The answer to the question is B
The Southerners opposed industry because their main revenue came from exported crash crops grown in plantations. The Southerners saw no need to incorporate industry since they thought it would not be useful at all.
The correct answer is It ruled segregation violated the rules of the Constitution.
The Brown vs. Board of Education was one that dealt with the legality of segregated public schools. In this ruling, the Supreme Court justices ruled that the idea of segregated facilities was unconstitutional. The justices argued that having "separate but equal" facilities violated the Equal protection clause of the 14th amendment of the constitution.