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March 31, 2026Journal of Northeast Asian Studies

Burden Sharing and Burden Shifting: The 2025 U.S. National Security Strategy and Alliance Reconfiguration in Northeast Asia

Xueping Tan Sang-Kyou Kim

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Key Points

The aim is to explore how the U.S. adjusts security responsibilities in Northeast Asia while maintaining alliances.
Combines strategic text analysis and institutional analysis to study alliance management theories.
Analyzes the roles and responsibilities of South Korea and Japan in regional security and U.S. strategies.
The U.S. increases demands on South Korea and Japan for regional security responsibilities.
Strategic ambiguity regarding North Korea raises concerns about the credibility of U.S. deterrence.
The shift in alliance dynamics indicates a move towards a multi-polar and uncertain security order in Northeast Asia.

Implication

Analysis examines U.S. security strategy in Northeast Asia, revealing shifts in alliance responsibilities.

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Cite This Study

Tan et al. (2026) studied this question.

synapsesocial.com/papers/69e9b6aa85696592c86eb081 https://doi.org/10.21807/jnas.2026.3.118.155

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