In 1906, the government lost the general election, and Chamberlain lost his job in the government. When his father became ill because of a stroke, he helped his father by fighting against Home Rule, the plan to make Ireland independent. In the First World War, Chamberlain got the job responsible for India, and after the war he became Chancellor of the Exchequer again. Here he helped Britain to recover from the war. He was leader of the Conservative Party from 1921 to 1922.