Leader of the Government in the House of Commons (Canada) procedure in order to argue points of order before the Speaker of the House of Commons as well as be a good strategist and tactician in order to outmanoeuvre the opposition parties. From 1867 until World War II, the Prime Minister of Canada took upon himself the responsibilities of being Leader of the Government in the House of Commons, organizing and coordinating House of Commons business with the other parties. The expansion of government responsibilities during the war led to Prime Minister William Lyon Mackenzie King deciding to delegate the House leadership to one of his ministers. In 1946, the
House of Commons of the United Kingdom a different one). By this second mechanism, the government of the United Kingdom can change without an intervening general election. Only four of the eight last Prime Ministers have attained office as the immediate result of a general election; the others have gained office upon the resignation of a Prime Minister of their own party. The latter four were Jim Callaghan, John Major, Gordon Brown and the current Prime Minister Theresa May; these four inherited the office from Harold Wilson, Margaret Thatcher, Tony Blair and David Cameron respectively. In such circumstances there may not even have been an internal party