(Teacher)
Theory 1: (PBS/NOVA) Peaceful bonobos and Violent Chimpanzees. Because chimpanzees are closely related to humans it is likely that some humans act very much like the violent chimpanzees, however, many humans are peaceful too. Although I would be more likely to state that the reason is within our DNA by strictly looking at the data for both primates, I am actually a believer in both nurture and nature, as evidenced by the fact that although most children are raised by the same people and can have siblings that are completely different in personality traits. Therefore, my belief is ...