How was the Plessy v. Ferguson Supreme Court ruling different from the Brown v. Board of Education ruling?

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Explanation:

In the pivotal case of Plessy v. Ferguson in 1896, the U.S. Supreme Court ruled that racially separate facilities, if equal, did not violate the Constitution. Segregation, the Court said, was not discrimination.

On June 7, 1892, Homer Plessy agreed to be arrested for refusing to move from a seat reserved for whites. Judge John H. Ferguson upheld the law, and the case of Plessy v. Ferguson slowly moved up to the Supreme Court. On May 18, 1896, the U.S. Supreme Court, with only one dissenting vote, ruled that segregation in America was constitutional.

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.