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During the years before Confederation, there was much happening in the colonies that would eventually unite to become the Dominion of Canada. In this section you will find a selection of essays on pre-Confederation themes: the evolution of Upper Canada, Lower Canada and the Atlantic Colonies; the effect of the American Civil War on Canada's formation; and the three famous conferences - at Charlottetown, Québec and London - that led to Canadian Confederation in 1867.