特朗普为何如此“垂涎”格陵兰？

Group 1 - The core viewpoint of the article is that President Trump is focused on acquiring Greenland, viewing it as a national security priority for the United States, particularly in deterring adversaries in the Arctic region [1][2] - The U.S. has a historical interest in Greenland, dating back to 1946 when the Truman administration proposed a trade for the island, which was rejected by Denmark [2] - Greenland's strategic location is crucial for U.S. military operations, especially during the Cold War, and it plays a key role in NATO's anti-submarine warfare strategy [2][3] Group 2 - Greenland is rich in natural resources such as rare earth elements, graphite, copper, and nickel, which are essential for energy transition and chip manufacturing [3] - The melting ice in Greenland is making resource extraction easier, increasing its attractiveness for U.S. manufacturing revival efforts [3] - Trump's ambitions for territorial expansion include not only Greenland but also aspirations regarding Canada and the Panama Canal, indicating a desire to leave a political legacy [3] Group 3 - Danish Prime Minister Frederiksen warned that a military attack on Greenland could end the NATO alliance, emphasizing the seriousness of Trump's intentions [4] - Denmark has reiterated that Greenland is protected under NATO's collective security mechanism and has called for the U.S. to cease threats against its ally [5] - A joint statement from several European countries affirmed that Greenland belongs to its people and that only Denmark and Greenland can decide their own affairs [5]