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  [Sejong Focus] Is the Second Trump Administration’s NSS the Starting Point of a Post-Hegemonic Era?

  2025-12-30 조회수 : 4,355 Sang Hyun LEE

  The return of the Trump administration, Russia’s invasion of Ukraine, and the expansion of China’s influence indicate the end of the re...

• (Brief 2025-36) Challenges and Policy Tasks for Northeast Asia following the APEC Summit Conference

  2025-12-29 조회수 : 8,217 Sung-Yoon LEE

  Challenges and Policy Tasks for Northeast Asia following the APEC Summit ConferenceSung-Yoon LEEsylee@sejong.orgPrincipal Research Fellow...

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  [Sejong Focus] ROK–China Summit in 2026 and the Lee Jae-myung Government’s Strategic Choices: Redesigning Bilateral Relations Through Mutual Respect and Strategic Autonomy

  2025-12-26 조회수 : 8,690 Seong-Chang CHEONG

  The years 2025 and 2026 are expected to represent a new turning point in ROK–China relations. Since the launch of the Lee Jae-myung gov...

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  [Sejong Focus] Three Key Diplomatic and Security Challenges in Pursuing Nuclear-Powered Submarines

  2025-12-26 조회수 : 3,981 Bong-Geun JUN

  At the ROK–U.S. summit held in Gyeongju on October 29, 2025, the two leaders agreed to expand the alliance into a “future-oriented, com...

• (Brief 2025-35) The Era of Multi-Party Politics in Japan and  Policy Direction Towards Japan

  2025-12-22 조회수 : 4,888 Chang Soo JIN

  The Era of Multi-Party Politics in Japan and Policy Direction Towards Japan Changsoo Jinjincs@sejong.orgPrincipal Research Fellow​Sejong...

• [Column] Trump tariffs and warming India-China ties have silenced the Quad partnership … for now

  2025-12-19 Yoon-jung Choi [The Conversation]

  https://theconversation.com/trump-tariffs-and-warming-india-china-ties-have-silenced-the-quad-partnership-for-now-270606

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  [Sejong Focus] The War in Ukraine and Europe’s Challenge - From Free-Rider to Guardian -

  2025-12-17 조회수 : 3,851 Yeocheol YOON

  Following the ROK-U.S. summit held on October 29 in Gyeongju on the margins of APEC, a joint explanatory release on November 14 outline...

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  [Sejong Focus] The Russia–Ukraine War: Current Status and Outlook

  2025-12-17 조회수 : 4,889 Andrei Lankov Visiting Research Fellow

  The Russia–Ukraine war is not only the largest interstate war in Europe in nearly 80 years, but also a rare case of war between countri...

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  [Sejong Focus] K-Semiconductor Survival Strategy: U.S.-China Technological Hegemonic Competition and Korea’s Strategic Choices

  2025-12-16 조회수 : 6,065 Byung Chul LEE

  Semiconductors are often described as the lifeblood of the 21st century digital civilization. Nearly every domain of modern life, rangi...

• (Brief 2025-34) U.S.-China Strategic Competition and the Clean Energy Transition: Implications for South Korea’s Economic Security

  2025-12-15 조회수 : 3,049 Chansong C. LEE

  U.S.-China Strategic Competition and Clean Energy Transition: Implications for South Korea’s Economic Security Chansong C. LEEclee@sejo...