of its bishops, most especially through the bishop of Rome (the Pope) whose successorship comes from St. Peter the Apostle, to whom Christ gave "the keys to the Kingdom of Heaven". Thus, the Popes, in the Catholic view, have a God-ordained universal jurisdiction over the whole Church on earth. The Catholic Church is considered Christ's mystical body, and the universal sacrament of salvation, whereby Christ enables human to receive sanctifying grace.

The