Answer :
Many people during this time, including Washington, felt that slavery was justified because the slaves in America were previously slaves in Africa, and were treated more poorly by their African masters than they were by their American masters. This was of course heavily refuted.
African Americans are stronger as a result.
African Americans are more hopeful of the future.
African Americans are better off than other black people around the world.
African Americans have material and intellectual advantages in the US.