 On May 17, 1954, the U.S. Supreme Court under Chief Justice Earl Warren ruled unanimously in "Brown v. Board of Education of Topeka, Kansas", that mandating, or even permitting, public schools to be segregated by race was unconstitutional.Chief Justice Warren wrote in the court majority opinion that

The lawyers from the NAACP had to gather plausible evidence in order to win the case of "Brown vs. Board of Education".Their method of addressing the issue of school segregation was to enumerate several arguments.