How Did Pope Innocent III Justify The Fourth Crusade?

Even though the Fourth Crusade was misled and committed a lot of mistakes, Pope Innocent III still forgave the army for attacking and pillaging another Christian city. He acknowledged them and preached their accomplishments to secure the rule of Constantinople under the Holy Roman Empire. Although he expressed disapproval of their actions in the beginning, but soon changed his thoughts when they became successful. Using the actions of the Crusaders as an advantage, the Pope justified the Crusade by describing it as a righteous and absolute necessary journey. By restoring the power Constantinople to the Church, the change of their original objective to regain Jerusalem was overlooked. Pope Innocent III also changed his goal to capture the holy