The Crusades: A vicious war for the right of diverse religions[Muslim Jewish and Christian] to live together in peace.

The Holocaust:A terrible and horrific prejudice for Jews and non Christians in Europe.

Darfur: Dictatorship and homocide in the 21st century

If the Crusades happened why did the Holocaust happen? If the Holocaust happened why is Darfur happening?

This is not a "What has the world come to?" but "What has the people of this world come to?"

What has the people of this world come to?