Answer:
In Marbury v. Madison, decided in 1803, the Supreme Court, for the first time, struck down an act of Congress as unconstitutional. This decision created the doctrine of judicial review and set up the Supreme Court of the United States as chief interpreter of the Constitution.
Explanation:
Brown v. Board of Education of Topeka, 347 U.S. 483, was a landmark decision of the U.S. Supreme Court in which the Court ruled that U.S. state laws establishing racial segregation in public schools are unconstitutional, even if the segregated schools are otherwise equal in quality.
Plessy v. Ferguson, 163 U.S. 537, was a landmark decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality, a doctrine that came to be known as "separate but equal".
Tinker v. Des Moines Independent Community School District, 393 U.S. 503, was a landmark decision by the United States Supreme Court that defined First Amendment rights of students in U.S. public schools.
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