What is the city of byzantium known as today?

What is the term for a short statement about history that has not been yet been proved

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.

How much did inflation increase during president carter’s term?