History of the Labour Party (UK) all means of production in the British economy, and Britain's entry into the European Economic Community (EEC). Tensions between the two opposing sides were exacerbated after Attlee resigned as leader in 1955 and Gaitskell defeated Bevan in the leadership election that followed. The party was briefly revived and unified during the Suez Crisis of 1956. The Conservative party was badly damaged by the incident while Labour was rejuvenated by its opposition to the policy of prime minister Anthony Eden. But Eden was replaced by Harold Macmillan, while the economy continued to improve. In the 1959 election the Conservatives fought under
Prime Minister of the United Kingdom decision-making. Former ministers such as Clare Short and Chris Smith have criticised the lack of decision-making power in Cabinet. When she resigned, Short denounced "the centralisation of power into the hands of the Prime Minister and an increasingly small number of advisers". Graham Allen (a Government Whip during Tony Blair's first government) made the case in "The Last Prime Minister: Being Honest About the UK Presidency" (2003) that in fact the office of prime minister has presidential powers. However, the presidentialisation thesis has been extensively criticised as well. Keith Dowding, for example, argues that British Prime Ministers are already more