The failure of the Queen's health made the succession the real question of the day, and it was a question which turned all politics into faction and intrigue. The Whigs, who were still formidable in the Commons, and who showed the strength of their party in the Lords by defeating a Treaty of Commerce in which Bolingbroke anticipated the greatest financial triumph of William Pitt and secured freedom of trade between England and France, were zealous for the succession of the House of Hanover in the well-founded belief that the Elector George hated the Tories; nor did the Tories, though the Jacobite sympathies of a portion of their party forced both Harley and Bolingbroke to keep up a delusive correspondence with the Pretender, who had withdrawn to Lorraine, really contemplate any other succession than that of the Elector. But on the means of providing for his succession Harley and Bolingbroke differed widely. Harley, still influenced by the Presbyterian leanings of his early life, and more jealous of Lord Rochester and the high Tories he headed than of the Whigs themselves, inclined to an alliance between the moderate Tories and their opponents, as in the earlier days of Marlborough's power. The policy of Bolingbroke on the other hand was so to strengthen the Tories by the utter overthrow of their opponents that whatever might be the Elector's sympathies they could force their policy on him as king; and in the advances which Harley made to the Whigs he saw the means of ruining his rival in the confidence of his party, and of taking his place at their head. It was with this purpose that he introduced a Schism Bill, which would have hindered any Nonconformist from acting as a schoolmaster or a tutor. The success of this measure broke Harley's plans by creating a bitterer division between Tory and Whig than ever, while it humiliated him by the failure of his opposition to it. But its effects went far beyond Bolingbroke's intentions. The Whigs regarded the Bill as the first step in a Jacobite restoration, and warned the Electress Sophia that she must look for a struggle against her accession to the throne. Sophia was herself alarmed, and the more so that Anne's health was visibly breaking. In April 1714 therefore the Hanoverian ambassador demanded for the son of the Elector, the future George the Second, who had been created Duke of Cambridge, a writ of summons as peer to the coming Parliament. The aim of the demand was simply that a Hanoverian prince might be present on the spot to maintain the right of his House in case of the Queen's death. But to Anne it seemed to furnish at once a head to the Whig opposition which would render a Tory government impossible; and her anger, fanned by Bolingbroke, broke out in a letter to the aged Electress which warned her that "such conduct may imperil the succession itself." [Sidenote: Death of Anne.]