Which Was a Primary Factor in the Relative "Weakness" of Slave

Which was a primary factor in the relative "weakness" of slave families in the U.S.?

A) Slaves never married.
B) Over 1/3 of slave marriages were ended when either the husband or wife was sold off.
C) Even when married, bonds of love were rare between slave partners.
D) Slaves brought over from Africa, a culture that valued the matrilineal line through mother and child without regard for the father.
E) Slaves preferred illicit relationships with slave owners as a means for increasing their status.