While the Emperor endeavored to veil the real purpose of his preparations, the Pope openly declared in a bull of July 4, 1546: "From the beginning of our Papacy it has always been our concern how to root out the weeds of godless doctrines which the heretics have sowed throughout Germany.... Now it has come to pass that, by the inspiration of the Holy Ghost, our dearest son in Christ, Charles, the Roman Emperor, has decided to employ the sword against these enemies of God. And for the protection of religion we intend to promote this pious enterprise with all our own and the Roman Church's possessions. Accordingly, we admonish all Christians to assist in this war with their prayers to God and their alms, in order that the godless heresy may be rooted out and the dissension removed.... To each and all who do these things we grant the most complete indulgence and remission of all their sins." (St. L. 17, 1453ff. Walther, 10.) The Smalcald War, so called because it was directed against the Smalcald League, was easily won by the Emperor. Among the causes of this unfortunate issue were the neutral attitude of Joachim II of Brandenburg and of other Lutheran princes, and especially the treachery of the ambitious and unscrupulous Maurice, Duke of Saxony and nephew of Elector John Frederick of Saxony, who, in order to gain the Electorate of Saxony, had made a secret agreement with the Emperor according to which he was to join his forces with those of the Emperor against the Lutherans. The decisive battle was fought at Muehlberg on the Elbe, April 24, 1547. It proved to be a crushing defeat for the Protestants. The Elector himself was taken captive, treated as a rebel, and sentenced to death. The sentence was read to him while he was playing chess with his fellow-captive, Duke Ernest of Lueneburg. John Frederick answered, he did not believe that the Emperor would deal so severely with him; if, however, he were in earnest, they should let him know that he might order his affairs with his wife and children. He then calmly turned to the Duke, saying: "Let us continue the game; it's your move." (Jaekel, _G. d. Ref._ l, 114.) The day after the battle at Muehlberg, Torgau fell into the hands of the Emperor; and when he threatened to execute the Elector, having already erected a scaffold for this purpose, Wittenberg, too, though well protected by 5,000 soldiers, signed a capitulation on May 19, in order to save the Elector's life. On the 23d of May, Wittenberg was occupied by the Emperor. Here Charles, when standing at the grave of Luther, and urged to have the body of "the heretic" exhumed, spoke the memorable words that he was warring not with the dead, but with the living. The death-sentence was rescinded, but, apart from other cruel conditions forced upon the Elector, he was compelled to resign in favor of Maurice and promise to remain in captivity as long as the Emperor should desire. His sons were granted the districts of