According to this excerpt from the opinion of the court, how does segregation have a “detrimental effect” on minority students?

The detrimental effect is that they are treated as inferior and this ruins everything about them, starting from careers where people believe that their degrees are not as important, or they ruin their self-esteem and their belief that they can do everything the same as Caucasian people.

Im pretty sure the answer is d.) is more densely populated.