Which was an effect of early african migrations?
north african languages replaced tribal tongues.
formal bureaucratic government was established.
there was a large population growth in sub-saharan africa.
the silver bullion was used in trade.

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.