The Second World War generated unexpected changes in the North Atlantic Triangle encompassing the United Kingdom, Canada and the United States. During the first wartime years (until June 1941) Great Britain treated Canada not only as a member of the British Commonwealth but predominantly as a prime ally. From the middle of 1940 the United States, envisaging the possible defeat of Great Britain and the transference of the hostilities onto the American continent, also perceived Canada as an important ally. Both Anglo-Saxon powers opted for a subjective treatment of Canada. From the viewpoint of politics and the strategic interests of those states Canada's importance declined in the following years. The United Kingdom won a new ally in Europe - the Soviet Union, and the United States managed to shield itself against the threat of German or Japanese invasion. The chief consequence of changes in Canada's position during the Second World War was a considerable extension of political distance towards Great Britain, with formal dependencies unchanged since the pre-war period; at the same time, the distance towards the US became reduced. A thus transformed North Atlantic Triangle became one of the most relevant links binding post-war America and Europe.
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