In explanation.
Explanation:
-Dred Scott v Sandford.
The decision of Scott v. Sanford, considered by legal scholars to be the worst ever rendered by the Supreme Court, was overturned by the 13th and 14th amendments to the Constitution, which abolished slavery and declared all persons born in the United States to be citizens of the United States. The Dred Scott case, also known as Dred Scott v. Sandford, was a decade-long fight for freedom by a Black enslaved man named Dred Scott. The case persisted through several courts and ultimately reached the U.S. Supreme Court, whose decision incensed abolitionists, gave momentum to the anti-slavery movement, and served as a stepping stone to the Civil War.
-Plessy v Ferguson.
Plessy v. Ferguson was a landmark 1896 U.S. Supreme Court decision that upheld the constitutionality of racial segregation under the “separate but equal” doctrine. Ferguson´s decision upheld the principle of racial segregation over the next half-century. The ruling provided legal justification for segregation on trains and buses, and in public facilities such as hotels, theaters, and schools. The impact of Plessy was to relegate African Americans to second-class citizenship.
-Brown v Board.
On May 17, 1954, the Court declared that racial segregation in public schools violated the equal protection clause of the Fourteenth Amendment, effectively overturning the 1896 Plessy v. Ferguson decision mandating "separate but equal." The Brown ruling directly affected legally segregated schools in twenty-one states. Impact of Brown v. Board of Education. Though the Supreme Court's decision in Brown v. Board didn't achieve school desegregation on its own, the ruling (and the steadfast resistance to it across the South) fueled the nascent civil rights movement in the United States.
-In Re Gault.
In re Gault, 387 U.S. 1 (1967), was a landmark U.S. Supreme Court decision that held the Due Process Clause of the 14th Amendment applies to juvenile defendants as well as to adult defendants. Juveniles accused of crimes in a delinquency proceeding must be afforded many of the same due process rights as adults, such as the right to timely notification of the charges, the right to confront witnesses, the right against self-incrimination, and the right to counsel. The court's opinion was written by Justice Abe Fortas, a noted proponent of children's rights. It was the first time that the Supreme Court held that children facing delinquency prosecution have many of the same legal rights as adults in criminal court, including the right to an attorney, the right to remain silent, the right to notice of the charges, and the right to a full hearing on the merits of the case.
-Hope this helps.