Germany was now threatened with civil war. The Catholics demanded the enforcement of the edict of Worms. The reformers demanded perfect toleration--that every man should enjoy freedom of opinion and of worship. A new war in Italy perhaps prevented this appeal to arms, as Charles V. found himself involved in new difficulties which engrossed all his energies. Ferdinand found the Austrian States so divided by this controversy, that it became necessary for him to assume some degree of impartiality, and to submit to something like toleration. A new pope, Clement VII., succeeded the short reign of Adrian, and all the ambition, intrigue and corruption which had hitherto marked the course of the court of Rome, resumed their sway. The pope formed the celebrated Holy League to arrest the progress of the new opinions; and this led all the princes of the empire, who had espoused the Lutheran doctrines, more openly and cordially to combine in self-defense. In every country in Europe the doctrines of the reformer spread rapidly, and the papal throne was shaken to its base. Charles V., whose arms were successful in southern Europe, and whose power was daily increasing, was still very desirous of restoring quiet to Europe by reestablishing the supremacy of the papal Church, and crushing out dissent. He accordingly convened another diet at Spires, the capital of Rhenish Bavaria, on the 15th of March, 1529. As the emperor was detained in Italy, his brother Ferdinand presided. The diet was of course divided, but the majority passed very stringent resolutions against the Reformation. It was enacted that the edict of Worms should be enforced; that the mass should be reestablished wherever it had been abolished; and that preachers should promulgate no new doctrines. The minority entered their protest. They urged that the mass had been clearly proved to be contrary to the Word of God; that the Scriptures were the only certain rule of life; and declared their resolution to maintain the truths of the Old and New Testaments, regardless of traditions. This _Protest_ was sustained by powerful names--John, Elector of Saxony; George, Margrave of Brandenburg; two Dukes of Brunswick; the Landgrave of Hesse Cassel; the Prince of Anhalt, and fourteen imperial cities, to which were soon added ten more. Nothing can more decisively show than this the wonderful progress which the Reformation in so short a time had made. From this Protest the reformers received the name of Protestants, which they have since retained.