어렵다 동물행동학.

If carrying out such research into our closest ancestors does indeed play an essential part in identifying the beginnings of human violence, both on an individual and a group level, then it seems that, as human beings, we cannot resort to the excuse that our violence is a product of our pre-hominid evolution; it is the human brain alone which has made us the most dangerous of all animals.

문제가 되는 블럭은 이거였음.