Prime Minister's Strategy Unit Alastair Campbell and later David Hill). The Strategy Unit operated during the premiership of Prime Ministers Tony Blair and Gordon Brown until its functions were transferred to other units in the Cabinet Office of Prime Minister David Cameron in November 2010 The purpose of the Strategy Unit was to provide the UK Prime Minister with in-depth strategy advice and policy analysis on key priorities. According to Tony Blair the Strategy Unit would "look ahead at the way policy would develop, the fresh challenges and new ideas to meet them". In this respect it had many similar responsibilities to the Central
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