Why the Trump ICC Sanctions Could Shatter Western Unity on War Crimes

The dollars that could silence The Hague

The Wall Street Journal reported on September 20 that the Trump administration is preparing sweeping sanctions against the International Criminal Court, a move that would effectively cut the tribunal off from the bulk of the global dollar-clearing system. If realized, the consequences go far beyond a diplomatic spat. They represent the most aggressive attempt yet to neuter an international judicial body that has increasingly looked American in its dockets.

The logic is blunt. The ICC relies on euro and dollar transactions for its operations — investigator payments, evidence transfers, witness protection logistics, even the mundane mechanics of issuing arrest warrants through financial channels. Sanctioning the Court itself, rather than individual judges, would force banks and clearinghouses to choose between doing business with The Hague and staying compliant with US treasury guidance. Most will choose the latter. The result is paralysis, not conviction.

This is not new thinking in Washington. The same administration imposed targeted sanctions on ICC prosecutors Fatou Bensouda and William Bauer in 2020 after the Court opened a preliminary examination into alleged US and Afghan war crimes. That earlier move was narrow — individuals, not institutions. The current proposal is qualitatively different. Sanctioning the Court as an organization signals an intent to dismantle the architecture of accountability, not merely punish its investigators.

Tokyo is behind this, too

What makes this escalation particularly noteworthy is Japan’s role. According to Kyodo News, Prime Minister Sanae Takaichi’s government told US officials on September 17 that it would continue lobbying Washington to pressure the ICC. That is a dramatic departure from Japan’s traditional posture as a steadfast supporter of international institutions — a country that has contributed heavily to the Court’s budget and championed the Rome Statute in multilateral forums for decades.

The shift is no accident. Takaichi’s government faces its own legal exposure. The ICC issued an arrest warrant in 2024 for former Prime Minister Fumio Kishida and former Defense Minister Nobuo Kishi over their handling of the 2018 Nagano landmine incident involving civilian protesters. By aligning with Washington’s anti-ICC campaign, Tokyo gains a geopolitical shield. It is a transactional calculation dressed in institutional reform language.

The precedent is dangerous. When a sitting government actively lobbies the world’s sole superpower to cripple a court that holds its own leaders accountable, it normalizes the idea that international judicial scrutiny is illegitimate rather than binding. That logic will not stay contained within Japan’s borders.

The domestic counterweight

Not everyone in Washington agrees. Kyodo reported on September 14 that a bipartisan congressional group has formally requested the government to protest the ICC sanctions. This is the same Congress that has occasionally checked Trump’s foreign policy instincts, and it sees something the administration may not: that undermining the Court damages American credibility more than it protects it.

There is also a legal complication that the administration seems to be sidestepping. The ICC’s recent activities have expanded beyond its traditional African focus. On September 16, former Venezuelan president Nicolas Maduro appeared before the Court for the first time since March 2025, marking a significant moment in the Tribunal’s efforts to prosecute accountability for migrants and displaced persons. Sanctioning the institution while it takes on cases that involve non-Western actors — cases that the US has publicly supported — reveals the selective nature of the opposition. The target is not the Court’s overreach. It is the Court’s reach into American allies and enemies alike.

Who wins, who loses

The winners are clear. The Trump administration gains a tool of coercion that operates outside any treaty framework. Courts cannot sanction courts. The Takaichi government avoids legal exposure for Kishida and Kishi. Authoritarian-leaning governments across the Global South will see this as vindication of their long-held critique that the ICC is a Western instrument.

The losers are harder to name but easier to feel. Victims of atrocity crimes lose a forum. Survivors of aggression lose a mechanism that does not depend on the Security Council — and therefore on the US veto. Younger generations of diplomats and legal professionals lose a precedent that showed international law could operate independently of great-power consent.

There is also a broader institutional loss. The ICC was always vulnerable. It was created by treaty, not by the UN Charter’s enforcement machinery. Its funding was always partial, its cooperation always intermittent. But its survival depended on the assumption that major powers would not systematically attack its foundations. That assumption is now gone.

What happens next

If the sanctions materialize, expect the Court to operate at reduced capacity — not shut down, but hamstrung. Investigations will slow. Witness protections will become harder to fund. Cooperation with states that depend on dollar clearing will become conditional.

European allies are likely to face an impossible choice. France and Germany have committed publicly to defending the ICC. But their own banking systems are deeply exposed to US financial regulation. A coordinated European alternative clearing mechanism is theoretically possible but practically distant. The political will does not yet exist.

Japan’s pivot is the most consequential unilateral move. The country has spent thirty years building its postwar identity around rules-based order. That identity is now being traded for legal self-protection. How other middle powers — South Korea, Canada, Australia — respond will determine whether this is an isolated realignment or the start of a broader retreat from institutional constraint.

The Maduro appearance at the Court on September 16 reminds us that the ICC is not a finished project. It is still expanding its jurisdiction, still finding its footing. The question now is whether it will survive the pressure, or whether the pressure will break it entirely.