Final answer:
Homer Plessy challenged racial segregation laws by sitting in a Whites-only railroad car, leading to the landmark case Plessy v. Ferguson (1896).
Explanation:
Homer Plessy was a man of mixed racial heritage who challenged the Louisiana Separate Car Act by sitting in a Whites-only railroad car in 1892. This act of civil disobedience led to his arrest and subsequent case, Plessy v. Ferguson (1896), where he argued that the segregation law violated the principle of equal protection under the Fourteenth Amendment.
Learn more about Homer Plessy and the challenge of racial segregation laws here:
https://brainly.com/question/30895956
