About this time the "Victuals Brethren," so called because they brought victuals from the Hanse towns to Stockholm while besieged, began to imperil Denmark, plundering the Danish and Norwegian coasts, and destroying all commercial business along the Baltic. But Margaret ordered the harbors of the maritime towns to be blockaded, thus putting a quick stop to their cruelties and piracies. The Queen's principal care was now to visit the different provinces, to administer justice and redress grievances of every kind. Among other salutary regulations, the affairs of commerce were not forgotten. It was, for instance, decreed that all manner of assistance should be given to foreign merchants and sailors, particularly in case of misfortune and shipwreck, without expectation of reward; and that all pirates should be treated with the greatest rigor. Eric of Pomerania was, as we have said, elected to be king of Denmark and Norway after Margaret's death. But wishing to have him also elected her successor to the Swedish throne, Margaret brought him to Sweden, and introduced him to the deputies, one by one, whom she requested to confirm his election to the succession. The majesty of the Queen's person, the strength of her arguments, and the sweetness of her eloquence gained over the deputies, who, on July 22, 1396, elected him at Morastone by Upsala, to succeed her also in Sweden. But Margaret, soon discovering his inability and impetuousness, took pains to remedy these defects, as much as possible, by procuring for him as a wife the intelligent and virtuous princess Philippa, a daughter of Henry V of England, and shortly after had got Catharine, her niece and Eric's sister, married to Prince John, a son of the German emperor Ruprecht; John being promised the Scandinavian crowns if Eric of Pomerania should die childless. Thus having strengthened and consolidated her power by influential connections and relationships, the Queen, upon whose head the three northern crowns were actually united, now proceeded to realize the great plan she had long cherished--to get a fundamental law established for a perpetual union of the three large Scandinavian kingdoms. The realization of this purpose immortalized her, securing for her the admiration of the world, whose most eminent historians do not hesitate to surname her the "Great," and to compare her with the loftiest Greek and Roman heroes and statesmen.