"The primary function of a constitution was to mark out the boundaries of governmental powers-hence in England, where there was no constitution , there were no limits (save for the effect of trail by jury) to what the legislature might do."

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Canada emerged as a political entity with boundaries largely determined by the fur trade. These boundaries included a vast north temperate land area extending from the Atlantic to the Pacific and dominated by the Canadian Shield. The present Dominion emerged not in spite of geography but because of it.

— Harold Innis