What conclusion can be drawn from the fall of Rome and Han China?

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

Which of the following most accurately describes china today

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.