Hans believes the crusade was called by the pope urban II. He asked Christians to join crusades to free holy land from Muslim. Who had occupied the holy land. The pope said if Christian helps free the land, god would forgive their sins that they may have committed. They will also be rewarded after life. In contrast Ronald believes that people joined crusade just to gain land and money.
The opinion of Hans Eberhard Mayer on yes side, “The success of the clement appeal has still