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
Deputy Prime Minister of Canada of service of Allan J. MacEachen. Before then, Trudeau had given the title of "Senior Minister" to a member of his cabinet. The last to occupy that position was Paul Hellyer. Joe Clark's government did not have a deputy prime minister. Similarly, Prime Minister Stephen Harper did not designate a deputy prime minister, meaning Canada's most recent deputy prime minister was Anne McLellan, who in 2006, was also the first deputy prime minister to lose her seat in the House of Commons. Harper gave special status in the line of authority to members of his cabinet: under an order-in-council issued