Why was homer plessy arrested? he said his rights had been violated. he was clearly of mixed heritage. he refused to give his seat to a white person. he sat down in a train’s whites-only car.

He sat down in a train’s whites-only car.

Explanation:

Homer Plessy was a shoemaker and American insurance agent of Creole origin who became notable for having been the plaintiff in the case of the United States Supreme Court known as Plessy v. Ferguson. Arrested, tried and convicted in New Orleans for violating one of Louisiana's racial segregation laws, he appealed to state courts until the Supreme Court. The result in the country's highest court, which generated the "separate but equal" policy against African Americans, had great consequences for the civil rights of blacks in the United States. The ruling legalized racial segregation at the state level in the United States, provided that the facilities provided to both whites and blacks were putatively "equal."

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