Harriett Washington (2006) Documents the Long History of Mistreatment of Blacks

Harriett Washington (2006) documents the long history of mistreatment of Blacks since colonial times. Among the atrocities, she writes of:

A) grave robbing for the purposes of training medical students.
B) experimental surgeries for the purpose of perfecting procedures before using them on European Americans.
C) reduced use of pain killers because Blacks were thought to feel less pain than European Americans.
D) all the above answers are correct.