As a Social Institution, Slavery in the United States

As a social institution, slavery in the United States

A) encouraged owners to maximize their profits by working slaves to death so that new slaves needed to be constantly imported to keep the institution from disappearing.
B) guaranteed slaves numerous legal and civil rights which whites respected.
C) is difficult to generalize about because a key factor in the institution was the behavior of individual masters, which varied greatly.
D) totally destroyed anything resembling family relationships among slaves.