Somebody be me w this bc my teacher is like 80 years old and know nothing about

What battle in the civil war was known as the bloodiest war ?

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.

What was an important consequence of the neolithic revolution? ):