见识到中方的强硬手段后，美方罕见承认犯下大错，中美局势生变？

Group 1 - The core viewpoint of the articles highlights the significant impact of the trade war initiated by the Trump administration on U.S. agricultural exports, particularly to China, with a notable reduction in soybean and pork imports [1][3][6] - The U.S. Department of Agriculture reported a drastic decrease in Chinese purchases of U.S. pork, with a cancellation of 12,000 tons of orders in one week, marking the largest single-week cancellation since 2020, leading to a 72% drop in total pork exports to China [1] - Additionally, Chinese imports of U.S. soybeans plummeted from 72,800 tons to 1,800 tons, representing a decline of over 97% [1] Group 2 - The articles indicate a shift in the U.S. government's perception of the trade war, with officials acknowledging miscalculations regarding China's response and strength [3][6] - Former U.S. officials have criticized the Trump administration for underestimating China's capabilities and have called for clearer communication channels amid escalating trade tensions [6][8] - The current U.S. administration is described as lacking a unified policy framework towards China, with internal divisions between hardliners and those advocating for constructive cooperation [6][8]