 Complete the following phrase:  Nicholas III, a member of Orsini family, was elected in 1277 and moved the seat of the Popes from the Lateran to the more defensible Vatican. He also ordered that no foreigner could become senator of Rome. Being a Roman himself, he had himself elected senator by the people. With this move, the city began again to side for the papal party. In 1285 Charles was again Senator, but the 