In each of the cases other than the delaware case, a three-judge federal district court denied relief to the plaintiffs on the so-called "separate but equal" doctrine announced by this court in plessy v. ferguson, 163 u. s. 537.

the supreme court cites these cases because it seeks to

To establish the existing legal standard for education.

Explanation:

what is the question that you are asking

pandas are endangered because of habitat destruction by humans.

as of 2014 there were around 2,000 left, since then, it supposedly has risen 17%.

they are a very endangered species.

-theoneandonly003