The U.S. Supreme Court jurisprudence has often delineated the borders of American racial politics. In some way, the Supreme Court decisions reflected economic, political, cultural, and ideological values of the contemporary society. The decision of Plessey v. Ferguson was a symbolic establishment of the separate but equal doctrine. It was also significant from the perspective of American federalism. In the 1950s, several rulings of the U.S. Supreme Court influenced American racial politics and paved the way for changes in the context of the development of civil rights. The decision of Brown v. Board of Education of Topeka was victory of the civil rights movement. It was perceived as a model for the subsequent cases. The U.S. Supreme Court rejected the right of interposition. It was assumed that the power to declare federal laws unconstitutional applied not to the state but only to federal judiciary.