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Navigating Superpower Rivalries: South Korea's Balancing Act

November 1, 2025
  • #SouthKorea
  • #USChinaRelations
  • #APEC2025
  • #Geopolitics
  • #LeeJaeMyung
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Navigating Superpower Rivalries: South Korea's Balancing Act

Introduction

The landscape of international relations is constantly shifting, and nowhere is this more apparent than in South Korea. With President Lee Jae Myung taking a proactive stance in foreign affairs, he is confronted with the growing rivalry between the United States and China. This week, we witnessed significant interactions with both superpowers during the Asia-Pacific Economic Cooperation (APEC) summit.

A Delicate Balance

President Lee's efforts to improve ties with China are ideally timed, considering Xi Jinping's first visit to South Korea in over a decade. As The New York Times reports, Xi emphasized the deep cooperation between the two countries. Yet, this delicate balance is made trickier by Lee's concurrent commitment to strengthen relations with the United States, particularly under the specter of President Trump's administration.

“South Korea has long balanced its security dependence on the United States with its economic interdependence with China,” remarked Seong-Hyon Lee, a senior fellow at the George H. W. Bush Foundation for U.S.–China Relations. “That equilibrium has effectively ended.”

Military and Economic Agreements

This week's discussions moved beyond diplomatic niceties to concrete agreements. The announcement that South Korea would be allowed to build nuclear-powered submarines marks a significant shift in its defense posture. Historically guided by a principle of restraint, this move could draw the ire of Beijing while solidifying Seoul's position within Washington's security framework.

Furthermore, a $350 billion investment in the U.S., alongside lower tariffs, demonstrates an increasing economic alignment with American interests. In an era of heightened tensions, these agreements not only illustrate a commitment to national security but also signify a departure from previous diplomatic norms.

Complications Arising

However, South Korea's aspirations for closer ties with the U.S. must be weighed against the potential repercussions from China. Following the submarine announcement, Beijing voiced its concerns, highlighting the broader implications for regional stability. Xi Jinping's comments during the summit called for South Korea to refrain from participating in American-led initiatives aimed at suppressing trade with China.

The Road Ahead

Lee's strategy involves threading a needle between two powerful forces with diverging interests. The reality is that South Korea's next steps must consider not only bilateral relations but also long-term geopolitical implications. Balancing engagement with both nations is easier said than done, especially amid domestic pressures and international expectations.

A Broader Perspective

The current geopolitical climate necessitates a reevaluation of traditional alliances and partnerships. As tensions evolve, South Korea's pivot towards the U.S. could alienate China, further complicating its position on the Korean Peninsula. Engagement with Beijing remains crucial for managing North Korean tensions, a reality acknowledged by Lee himself.

“Stability on the Korean Peninsula and in Northeast Asia benefits China too,” he stated during the APEC summit.

Conclusion

As we look to the future, South Korea's challenge worsens with the increasing unpredictability of U.S.-China relations. Lee Jae Myung's administration must navigate a third path amidst the superpower rivalry, leveraging its unique position to foster regional stability while safeguarding national interests. The coming months will be critical in defining not just South Korea's foreign policy but also its identity on the global stage.

Source reference: https://www.nytimes.com/2025/11/01/world/asia/south-korea-china-us.html

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