l politicsthe question, how far the mother country should monopolize the products of the colonies; the question colonization; the question of the treatment of the natives, doubly difficult because on the one hand their labour was indispensable and on the other it was most unwilling; the question, how Christianity and civilization might best be established; finally the question, how science might be systematically promoted by the government that opened up these new countries. On account of the great distance separating Spain and her colonies, the unsatisfactory means of communication, and his lack of funds, Charles was unable to carry out the principles laid down by his government. But be made the first, perhaps the only, attempt on a large scale to deal with colonial politics, in practical effect, from the double standpoint of political and economical interests and with the realization of a duty to promote Christian civilization. When Charles received news of the Peace of Cambrai, he determined to go to Italy and settle Italian affairs by a personal interview with the pope. This difficult question, which had occupied him for almost a decade, was, as he thought, settled definitively. At Bologna he discussed with the pope principally two questions affecting all Christendom: the Turkish and the Lutheran. In 1521 the Turks had taken possession of Belgrade, the key to Hungary; in 1522, of Rhodes, the bulwark which had hitherto barred their way westward of the AEgean Sea. In the following year the daring pirate, Chaireddin Barbarossa, an ally of the sultan, placing himself at the head of the North African corsairs who were continually harassing the Italian and Spanish coasts, had built up a formidable power in the small Mohammedan States of the North African coast. On land the Turks had defeated the Hungarians at Mohcs, and taken possession of almost the entire kingdom. Their way was thus opened to Vienna, which they entered in 1529. Equally ...