美国退缩回美洲？新文件示弱：制造业已输中国，不敢一战！

Core Points - The recent U.S. National Security Strategy indicates a shift in focus towards the Americas, reducing global military involvement [1][3] - The document expresses concerns about the current state of U.S. manufacturing and acknowledges the challenges posed by China's rise [3][4] - The strategy emphasizes preventing military presence from non-Western Hemisphere powers in the Americas, particularly China [3][4] Manufacturing Concerns - The U.S. manufacturing sector is seen as a critical weakness, impacting military readiness and supply capabilities [4] - Historical manufacturing advantages that supported U.S. military success in World War II are no longer present, with China now leading in areas like hypersonic missile production [4][8] - The lack of a complete industrial supply chain in the U.S. hampers its ability to produce modern military equipment efficiently [4][8] Strategic Shift - There is a consensus within the Trump team that past military investments globally have not yielded expected returns, prompting a focus on domestic and regional priorities [5] - The strategy marks a fundamental shift from globalism to isolationism, with a clear intent to prioritize the Americas [5][13] - Despite the shift, the U.S. maintains ambitions for expansion in the Americas, as evidenced by military activities in Venezuela and interest in Greenland's resources [7][9] Regional Focus - The U.S. is increasing military presence around Venezuela, a country rich in oil resources, indicating preparation for potential intervention [7][9] - Efforts to regain influence over the Panama Canal and secure shipping routes reflect a strategic pivot towards regional control [9][11] - The focus on the Americas suggests a long-term strategy to consolidate power and resources within the region [7][13]