A History of the English-Speaking Peoples in a so-called "special relationship" between the people of Britain and its Commonwealth (Australia, Canada, New Zealand, South Africa, etc.) united under the Crown, and the people of the United States who had broken with the Crown and gone their own way. His book thus dealt with the resulting two divisions of the "English speaking peoples". At the suggestion of publisher Newman Flower, Churchill began the history during the 1930s, during the period that his official biographer Martin Gilbert termed the "wilderness years" when he was not in government. Work was interrupted in 1939 when the Second World War broke
Prime Minister of the United Kingdom because of the diminishing role of the Cabinet Ministers and because of centralisation of the party machine and the bureaucracy. Richard Crossman also alluded to the presidentialisation of British politics in the "Introduction" to the 1963 version of Walter Bagehot’s "The English Constitution". Crossman mentions the World War II, and its immediate aftermath as a water-shed moment for Britain that led to immense accumulation of power in the hands of the British Prime Minister These powers, according to Crossman, are so immense that their study require the use of presidential parallels. The thesis has been most popularised by Michael Foley,