Canada and the US have some disagreements about the arctic, particularly about the Northwest Passage: https://brownpoliticalreview.org/2020/04/the-u-s-canada-no

Canada and the US have some disagreements about the arctic, particularly about the Northwest Passage: https://brownpoliticalreview.org/2020/04/the-u-s-canada-northwest-passage-dispute/ https://brownpoliticalreview.org/2020/04/the-u-s-canada-nort... That's got to be a factor here