Which court case overturned the separate but equal rule

Brown v. Board of Education

In 1954, sixty years after Plessy v. Ferguson, the Supreme Court ruled unanimously in Brown v. Board of Education that “separate but equal” was unconstitutional under the Equal Protection Clause of the Fourteenth Amendment.

Explanation:

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.