Pope Gregory VII is claimed that popes had the right to depose kings and emperors. Thus, option (d) is correct.
What is Pope Gregory VII?
Beginning on April 22, 1073, Pope Gregory VII served as both the head of the Catholic Church and the sovereign of the Papal States. According to him, the church ruled the world as the highest power.
Insisting that he was God's “vicar on Earth” and that the pope had jurisdiction over all Christians and rulers, Pope Gregory VII was persuaded that he had been chosen by God to reform the church.
As a result, option (d) is correct.
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