美国真要战略收缩还是以退为进？（环球热点）

Core Viewpoint - The 2025 version of the U.S. National Security Strategy report emphasizes an "America First" foreign policy, reflecting a shift in U.S. global strategy and prioritizing domestic and regional security over global engagement [1][2][3] Strategic Shift - The report indicates a strategic shift from global engagement to focusing on domestic and regional security, prioritizing resources for homeland security and emphasizing "Western Hemisphere First" [3][6] - The U.S. is moving from an expansionist hegemony to a protective hegemony, concentrating resources in key areas rather than globally [3][7] - Economic security is now prioritized over traditional military security, with a focus on re-industrialization and supply chain "de-risking" [3][4] National Security and Worldview - The report reflects a strong nationalist and populist security perspective, emphasizing U.S. interests and reducing the emphasis on ideological goals like "democracy promotion" [4][5] - The U.S. is adopting a transactional worldview, viewing international relations as a marketplace where power is the currency, and reducing its moral obligations to maintain international order [4][5] Global Implications - The adjustment in U.S. strategy may lead to increased geopolitical tensions in the Western Hemisphere, as the U.S. may exert more pressure on Latin American countries [9][10] - The report's criticism of Europe and demands for increased defense spending from allies may deepen fractures within the U.S. ally system [10][11] - The U.S. stance against multilateralism and free trade could disrupt global economic structures and lead to a reorganization of supply chains [10][11]