Description from the publisher:

The 20th century, which we have just left behind us, was a century of war and conflict, leading to disasters, pain, massacres, poverty, and enormous destruction. Millions of people were killed, massacred, abandoned to hunger and death, and left without home or shelter, protection, or support. And all for nothing: in the name of serving deviant ideologies. On nearly every occasion there were despots and dictators signatures beneath all the suffering and disasters: Stalin, Lenin, Trotsky, Mao, Pol Pot, Hitler, Mussolini, Franco…