The New Acheson Line: How Trump’s ‘America First’ Strategy Abandons Asia
December 10, 2025
The 2025 National Security Strategy (NSS) released by the Trump administration has shocked the Indo-Pacific, indicating a major shift in U.S. defense commitments. Framed as a “realist” recalibration, it is perceived by analysts in Tokyo and Seoul as a strategic retreat, echoing the Nixon Doctrine and repositioning a defensive perimeter along the First Island Chain, thereby conceding the Asian mainland to Chinese influence and prioritizing economic nationalism over alliance unity.
