What law compelled the North to return runaway slaves back to the South?

How does eurydice slipping back into the underworld support the theme

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.

The first human skeleton found in oklahoma is estimated to be 9,000 years old. based on this age, which dates the skeleton to about 7,000 bce, the skeleton is most likely from the