Robert Gascoyne-Cecil, 3rd Marquess of Salisbury prime minister of his lifetime. Attlee immediately replied: "Salisbury". The 6th Marquess of Salisbury commissioned Andrew Roberts to write Salisbury's authorised biography, which was published in 1999. After the Bering Sea Arbitration, Canadian Prime Minister Sir John Sparrow David Thompson said of Lord Salisbury's acceptance of the Arbitration Treaty that it was "one of the worst acts of what I regard as a very stupid and worthless life". The British phrase 'Bob's your uncle' is thought to have derived from Robert Cecil's appointment of his nephew, Arthur Balfour, as Chief Secretary for Ireland. Fort Salisbury (now Harare) was named in
Prime minister from that of the president. When it arises, such a state of affairs is usually referred to as (political) cohabitation. In parliamentary systems a prime minister may enter into office by several means. The position, power and status of prime ministers differ depending on the age of the constitution. Australia's constitution makes no mention of a Prime Minister of Australia and the office only exists by convention, based on the British model. Bangladesh's constitution clearly outlines the functions and powers of the Prime Minister, and also details the process of his/her appointment and dismissal. The People's Republic of China constitution