 In Nova Scotia, Tupper organized a Confederation Party to combat the activities of the Anti-Confederation Party organized by Joseph Howe and successfully led Nova Scotia into Confederation.Following the passage of the British North America Act in 1867, Tupper resigned as premier of Nova Scotia and began a career in federal politics.He held multiple cabinet positions under Prime Minister Sir John A. Macdonald, including President of the Queen's Privy Council for Canada (1870–72), Minister of Inland Revenue (1872–73), Minister of Customs (1873–74), Minister of Public Works (1878–79), and Minister of Railways and Canals (1879–84).