In the 1898 case of Plessy v. Ferguson, the Supreme Court ruled that a Louisiana law that required African American and white passengers to sit in different rail cars did not violate the Constitution. Which legal doctrine was established by this case?

john smith was the first englishman to sail around the world. francis bacon served as attorney general and lord chancellor of england. he took up aristotelian ideas, arguing for an empirical, inductive approach, known as the scientific method, which is the foundation of modern scientific inquiry.

hey i did something like that before, what is the quesiton?