The Pope, however, moved across the river Tiber and hid behind the walls of the Vatican, which had been the home of many of his predecessors since their return from the exile of Avignon in the year 1377. He protested loudly against this high-handed theft of his domains and addressed letters of appeal to those faithful Catholics who were inclined to sympathise with him in his loss. Their number, however, was small, and it has been steadily decreasing. For, once delivered from the cares of state, the Pope was able to devote all his time to questions of a spiritual nature. Standing high above the petty quarrels of the European politicians, the Papacy assumed a new dignity which proved of great benefit to the church and made it an international power for social and religious progress which has shown a much more intelligent appreciation of modern economic problems than most Protestant sects.