Hideous Crimes Against Humanity Include the Holocaust in Nazi Germany

Hideous crimes against humanity include the Holocaust in Nazi Germany, the ethnic cleansing in Bosnia, and the tribal massacres in Rwanda.According to the textbook, there are two different ways of explaining such crimes.One of these explanations, the normalist thesis, holds that

A) only highly sadistic, desperate, or ethnocentric people harm others.
B) under certain circumstances, almost anyone has the capacity to harm others.
C) evolutionary pressures selected for humans who can harm others.
D) the media (television, movies, video games) have made violence commonplace.