In Canada, which has adopted the Westminster model parliamentary system, there is a bipartisan structure in the framework of the principles laid down by the 1867 Constitution. The fact that each of the 10 provinces of Canada is a country in which different political cultures interact is also required to be a bipartisan. Single round plurality electoral system, The interesting result of Canada as a country that has been implementing it since the days when its political system was established is the existence of a four-party system in Canada..
