Elected as a Unionist MP for Glasgow in 1900. Served as the leader of the Conservative and Unionist opposition in the House of Commons (1911-1915), before becoming Secretary of State for the Colonies in the National Government (1915-1916). Served as Chancellor of the Exchequer (1916-1918), and as Lord Privy Seal (1919-1921), and was a member of Lloyd George's War Cabinet (1916-1918). Served as Prime Minister (1922-1923).