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 of the United Kingdom established by any statute or constitutional document but exists only by long-established convention, which stipulates that the monarch must appoint as Prime Minister the person most likely to command the confidence of the House of Commons; this individual is typically the leader of the political party or coalition of parties that holds the largest number of seats in that chamber. The position of Prime Minister was not created; it evolved slowly and erratically over three hundred years due to numerous acts of Parliament, political developments, and accidents of history. The office is therefore best understood from a historical perspective. The