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Of course, each part of hate varies in strength from person to person, time to time, and situation to situation, resulting in different kinds of hatred discussed later.

Starting early in life children are often taught—via stories—and citizens are persuaded (via propaganda by the state) that the enemy is a despicable group of people. Sternberg considers that very important, using several pages to describe the typical stories used to generate hate that underlies war, terrorism, massacres, genocide and so on. The evil enemy is often described as a stranger who looks odd and is dirty and trying to control or wanting to torture you. He is likely to hate your religion and be an enemy of God.

One of the favorite stories to arouse hatred describes the hated group as rapists and murderers of women and children. Early in US history Indians were described as savages standing in the way of the “Manifest Destiny” of our great new nation. Summary: the hate-generating stories often depict the enemy as barbaric, ignorant, cruel, dirty, lazy, animalistic, greedy, dangerous, and lusting after women and as enemies of God. Sternberg (2005) also discusses the motives of governments, religions, ethnic or economic groups for wanting to foment hate.

The more you have of these three parts of hate the more you hate the people you consider enemies or bad. If you have enough hate, it is quite possible that you would support genocide; many countries have—Germans in the Holocaust, Khmer Rouge in Cambodia, Pakistani in Bangladesh, Russians in Ukraine, Hutus in Rwanda, Tutsis against Hutus in Burundi, Serbs in Bosnia and Kosovo, Genghis Khan in Asia, Sudanese against Darfur, and even in U.S. history Christians in the Crusades and the United States used force to almost eliminate the Indians.

It is hard to imagine how intelligent humans are able to build up enough hate to justify killing basically innocent men, women, and children. Sometimes the hate is so intense that people are not just quickly killed but brutally destroyed by cutting off their heads or raping the women using guns, knives, and crude instruments so that, if they live, the women can never have children. Leaders and moral authorities sometimes use propaganda to build a belief system so filled with intense hatred that the general public becomes persuaded that it is morally justified and even a moral duty to fight and kill the enemy.

This hate-building process is happening many places in the world even in its most intense form, e.g. in Israel and Palestine, in Iraq, in other Islamic countries, in Northern Ireland, in North Korea. But in many places moderate dislike and strong suspicions are being built by leaders. Leaders should be very cautious about labeling people as evil, even if it garners them votes or power. The stereotypes generated by propaganda are often not accurate at all and certainly don’t fit everyone in the group described. Not everyone subject to this propaganda becomes avid haters; some may merely come to feel superior to the enemy and, in general, self-righteous.