William Pitt the Younger however, was comfortable with Shelburne, and thus joined his government; he was appointed Chancellor of the Exchequer. Fox, who became Pitt's lifelong political rival, then joined a coalition with Lord North, with whom he collaborated to bring about the defeat of the Shelburne administration. When Lord Shelburne resigned in 1783, King George III, who despised Fox, offered to appoint Pitt to the office of prime minister. But Pitt wisely declined, for he knew he would be incapable of securing the support of the House of Commons. The Fox–North coalition rose to power in a government nominally headed by William Cavendish-Bentinck,
William Pitt the Younger for the great war against France and cracked down on radicalism. To engage the threat of Irish support for France, he engineered the Acts of Union 1800 and tried (but failed) to get Catholic emancipation as part of the Union. He created the "new Toryism", which revived the Tory Party and enabled it to stay in power for the next quarter-century. The historian Asa Briggs argues that his personality did not endear itself to the British mind, for Pitt was too solitary and too colourless, and too often exuded superiority. His greatness came in the war with France. Pitt reacted