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
Prime Minister of Canada with the augmentation. Canada continues the Westminster tradition of using the title "Prime Minister" when one is speaking to the federal head of government directly; this is in contrast to the United States protocol of addressing the federal head of government as "mister" (as in, "Mister President"); the Department of Canadian Heritage advises that it is incorrect to use the term "Mr Prime Minister". The written form of address for the prime minister should use his or her full parliamentary title: "The Right Honourable [name], <nowiki>[</nowiki>post-nominal letters<nowiki>]</nowiki>, Prime Minister of Canada". However, while in the House of Commons during Question