外媒：丹麦首相警告称，美国吞并格陵兰岛将意味着北约终结

Group 1 - The core viewpoint of the article highlights the escalating tensions between the United States and Denmark regarding the potential U.S. annexation of Greenland, with Danish Prime Minister Frederiksen warning that such an action would end NATO as a military alliance [1][3] - Frederiksen's comments indicate a shift from outright rejection of U.S. claims on Greenland to acknowledging the possibility of such a scenario, reflecting heightened diplomatic concerns [3] - Greenland, the world's largest island, is a self-governing territory of Denmark, with defense and foreign affairs managed by the Danish government, and the U.S. currently operates a military base there [3] Group 2 - President Trump has repeatedly expressed the need for Greenland, suggesting that military force could be considered, which has drawn criticism from Denmark and Greenland [3] - Following Trump's remarks on January 4, the EU, UK, Germany, and France expressed support for Denmark and Greenland, asserting that the future of Greenland should be determined by its people and Denmark [3]