<span>Because of The high birth rate</span>
There was a lot of impact on slaves in the south rather than the north
They could get to know each other without supervision.
and
They had a cheap fast mode of transportation to go to places and to get to school, home and work without the expense of a car.
People of the highest social class in society belong to the<span> upper-upper class, aristocrats, or elites. </span>
