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The Concordat of Worms resolved a major power struggle between...
The Church and the Holy Roman Emperor
The Crusade that resulted in the capture of Jerusalem by the Christians and the start of four Crusader states
Considering the meaning of "lay investiture" and the controversy it created, it can be concluded that lay describes...
people who are not members of the clergy
The Crusade that failed in its goal of recapturing the Crusader state of Edessa from the Turks...
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