关税战不如意，美国又要换赛道？美方：不排除对格陵兰岛动武

Group 1 - The core viewpoint is that the trade war initiated by the U.S. has backfired, leading to a crisis within the U.S. itself, as even long-time allies like Japan are resisting U.S. demands [1] - The U.S. is facing a shortage of goods due to the trade war, which has resulted in many products not being shipped to the U.S., impacting the daily lives of ordinary Americans [7] - Despite the U.S. administration's claims of winning the trade war, no trade partner has agreed to the U.S. demands since April 2, indicating a significant failure in U.S. trade negotiations [9] Group 2 - The U.S. President has made threats regarding the annexation of Greenland and Canada, showcasing a shift towards aggressive expansionist rhetoric as a distraction from domestic issues [3][5] - The justification for the annexation of Greenland is framed around security concerns, particularly in relation to perceived threats from China and Russia, indicating a strategic narrative being constructed by the U.S. administration [5] - The ongoing trade war and the resulting economic challenges are leading the U.S. to create new geopolitical tensions to divert attention from its internal struggles [7]