The principle of separate but equal was established by (a) brown v. board of education (b) wesbery v. sanders (c) plessy v. ferguson (d) regents of university of california v. bakke (e) heart of atlanta motel v. united states
An effect of the steamboat's popularity was that fewer people traveled by rail. o steam locomotives became less popular. people began to build canals in the united states and europe. o more people began to travel between the united states and europe.