The Supreme Court has a power called "judicial review". What this means is that the Supreme Court can take a law and interpret it. They can decide whether a law violates the Constitution or not. And if it is indeed unconstitutional, they can strike that law down.
The formation of the National Association for the <span>Advancement of Colored People (NAACP) and the Anti-Defamation League (ADL) was primarily a response to "racism and prejudice". </span>