 Complete the following phrase:  Deschner writes about the Staufer-emperor Henry VI, who aimed for global domice even without papal blessing, and about the most powerful pope of history, Innocent III. During the time covered by this volume, crusades to all directions happened, including the Fourth Crusade, the crusade of Frederick II, the crusades of Louis IX to Egypt and Tunis, the grotesque Childrens Crusade, the crusades of Christians against Christians, the 