Need help will give brainalist

Aclaim about history is most likely not valid if it has which of these characteristics?

At the time of the brown v. board of education decision, schools were segregated everywhere in the country. several states had laws requiring segregated schools. schools in nearly every state has been desegregated. segregation was common in the north, but not in the south.

Which industries produced great profits and wealth in the late 1800s