The Major Reason Why Milgram Conducted His Experiments on Obedience

The major reason why Milgram conducted his experiments on obedience was:

A) he received a large research grant from the federal government to investigate how citizens might be made more loyal and obedient.
B) to understand how a large number of people could be a part of the millions of murders that took place during the Holocaust from 1933 to 1945.
C) to discover whether anti-social persons were more cruel than pro-social persons.
D) to analyze the psychological and physiological responses to stress of persons who possess "authoritarian" personality traits.