Most of Canada was covered by one or more of the large continental Pleistocene ice sheets, especially the Laurentide in the east and the Cordilleran in the west.

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Quizplus · Accepted Answer

This is true. During the Pleistocene epoch, which lasted from about 2.6 million to 11,700 years ago, large ice sheets covered much of Canada. The Laurentide ice sheet covered most of eastern Canada, while the Cordilleran ice sheet covered much of western Canada. These ice sheets had a profound impact on the land, shaping the terrain and leaving behind many of the features we see today.

Most of Canada Was Covered by One or More of the Large