From Wikipedia:

Reparations for slavery is a proposal by some in the United States that some type of compensation should be provided to the descendants of enslaved people, in consideration of the labor provided for free over several centuries, without which (it is argued) the United States would never have attained its wealth and global power. This compensation has been proposed in a variety of forms, from individual monetary payments to community-based improvement schemes related to health and education. The idea remains highly controversial and no broad consensus exists as to how it could be implemented.