The East Asian Landscape After the Trump-Kim Summit

North Korean Denuclearization and US-China Relations

Politics

Mori Satoru [Profile]

The historic summit between US President Donald Trump and North Korean leader Kim Jong Un resulted in a joint statement that the countries would work toward a stable, denuclearized Korean Peninsula. But the success of these promises will depend on how the United States advances diplomatic strategy from now on—and, more importantly, how it positions its choices in the context of America’s strategic competition with China.

Is America Selling Off Its Leverage?

The announcement by President Trump at Singapore that joint US–South Korea military exercises would be called off should thus be considered as part of a limited set of leverages that the United States has over China and North Korea. The US threat of military action receded after Kim announced his intention to engage in talks and South Korean President Moon Jae-in reciprocated that gesture. Although the sanctions are going to remain in place, the format of US-DPRK summit talks that announced an agreement in principle at the outset of the negotiating process inevitably seems to have removed the pressure on North Korea.

The suspension of military exercises has been criticized for various reasons, ranging from its impact on force readiness to diminished confidence among Asian allies in America’s commitment. Critics have also pointed to the problem of unduly rewarding China by virtually accepting its “double freeze” proposal, which the Trump administration had considered a nonstarter until recently. The decision essentially removes a limited source of US leverage from the negotiation dynamic before agreements regarding major issues concerning the denuclearization roadmap and verification mechanisms are reached. Trump explained that military exercises can be resumed if negotiations do not go well, but we will have to see whether that is possible, given public hesitation to raise tension on the Korean Peninsula in both South Korea and the United States.

China, on the other hand, has gained a diplomatically favorable position. As demonstrated by Kim Jong-Un’s shuttle diplomacy to Beijing, Xi appears to be in a position to advise and influence Kim’s decisions. Tightened international sanctions have enhanced China’s leverage over North Korea. It remains to be seen how negotiations will unfold between Pyongyang and Washington, but North Korea will likely get China’s endorsement of its positions on many of the issues before facing American negotiators. Assuming that North Korean negotiators prudently avoid rejecting or pushing back on US demands in ways that would isolate them without Chinese support, China will effectively influence North Korean positions on issues where it sees opportunities to advance its own interests. We may see a US-China track that deals with some deadlocked issues in the US–North Korea track.

The United States will have to find alternative sources of influence over China. Some commentaries have pointed out that the Trump administration could potentially use trade actions to gain leverage over China, but it remains to be seen whether such a linkage tactic would actually work.

The Test Before the President

Ultimately, how America handles the two issues mentioned above—pursuing an outcome for the denuclearization process that enables the United States to engage in strategic competition with China from a position of strength, and generating leverage in the absence of military exercises when China is calling for the relaxation of sanctions—will depend on the US president, who will have to reconcile domestic political motivations with strategic judgments relating to the denuclearization of North Korea as well as the competition with China. This engagement is unfolding in a midterm election year for the United States, and Secretary of State Mike Pompeo has stated that he intends to complete denuclearization by the end of President Trump’s first term in office (Pompeo subsequently stated that he will not put a timeline for negotiations, so it is unclear whether the initial target still holds). One cannot escape the impression that domestic political considerations may be prevailing in Trump’s mind.

Negotiating a denuclearization roadmap and a verification system that provides “complete denuclearization” will put President Trump to the test. If he opts for a politically expedient tactic, he could announce the completion of denuclearization in 2020 and try to appeal to his supporters that his America First approach had ostensibly delivered peace on the Korean Peninsula and security for the United States. This would open the way toward official lifting of sanctions and normalization of relations, and relations with China would seemingly stabilize as the North Korean denuclearization issue would be made “a done deal” between the two countries. At the same time, North Korea’s incentives to comply with inspection could diminish, ultimately igniting another crisis down the road.

Alternatively, if President Trump holds his ground and demands a concrete and effective denuclearization roadmap, accompanied by a rigorous inspection regime, then US-China relations could become fraught with tension, as Washington would have to press North Korea and China to accept terms that are acceptable to the United States and its allies.

The former scenario would deliver early results but remain unsatisfactory and shaky, while the latter scenario will require patience, as it will take much longer to produce a new arrangement. The choices the American president will make in the days to come will thus profoundly impact the future shape of an international political equilibrium in Northeast Asia. Any solution to the North Korean denuclearization problem will have to be defined within a long-term US engagement strategy for the region—one that seeks to prevent a future crisis as it gears the nation for its geopolitical competition with China.

(Originally written in English. Banner photo: North Korean leader Kim Jong Un, at left, shakes hands with Chinese President Xi Jinping at the Great Hall of the People in Beijing. © AFP/Aflo.)

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Mori SatoruView article list

Professor at Keiō University. Specializes in international politics and contemporary U.S. foreign and defense policy and deputy director of the Keiō Center for Strategy. Born in 1972. Graduated from the University of Kyoto before earning his PhD at the University of Tokyo. He is a former official at Japan’s Ministry of Foreign Affairs and was an associate professor and a professor at Hōsei University’s Department of Global Politics before assuming his present position in 2022. His books include Vetonamu sensō to dōmei gaikō (The Vietnam War and Alliance Diplomacy) published by the University of Tokyo Press.

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