Muslim territory. “The cause was not won by Gregory, but he had drawn the issue clearly. After the example of his pontificate the moral level of the church rose, and his successors were inspired to carry the investiture struggle to victory at the Concordat of Worms (1122).” During all this time, dealing with countless problems and struggles, Gregory stayed vigilant when monitoring the development of new churches in foreign countries such as Norway, Denmark and Slavic nations, while also…