Answer:
He became a duke through his father's fortune and lost his position despite doing everything he should have.
Plessy v. Ferguson<span>, 163 U.S. 537 (1896), was a landmark decision of the U.S. Supreme Court issued in 1896. It upheld the constitutionality of racial segregation laws for public facilities as long as the segregated facilities were equal in quality – a doctrine that came to be known as "separate but equal".</span>
C) The American Revolution inspired the French Revolution