According to the ruling in the plassy v. ferguson case why was segregation acceptable

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.

Explanation:

a) they had recently endured the tyranny of the british king, parliament, and its royal

i think it's the cabinet