Introduction
Every day we learn about new facts of violence around the world. The statistics show the high frequency of murder occurrence based on ill-treatment, and in everyday life we often become witnesses of angry accusations or shouting. Harmful behavior of another human is always perceived as evil from the point of philosophical and moral aspects. Yet history is full of examples of aggressive behavior not only of individuals but also of entire nations. Why do people tend to deliberately cause suffering to another? Why are there conflicts, accompanied by outbursts of anger and evil cries? These questions do not ...