Trump's Tariffs One Year On: Supply Chains Rebuilt, WTO Rules Quietly Shelved

A year after the second Trump administration installed its tariff architecture, the most honest assessment of the policy is neither the triumphalist reshoring narrative nor the globalist collapse narrative. It is the quieter, messier reality on the ground: US retailers continue to model quarterly cost risk from counter-tariffs and supply-chain disruption, automakers have quietly restructured their bill-of-materials sourcing, and the World Trade Organization's dispute-resolution function — the institutional backbone of the multilateral trading order — has been allowed to decay to the point of functional irrelevance without anyone in Washington or Brussels choosing to defend it publicly.

The tariff policy itself is now a known quantity. Section 232 national-security tariffs on steel, aluminium, automobiles, and strategic minerals; Section 301 duties on Chinese imports across consumer electronics, batteries, and pharmaceutical intermediates; and a rolling programme of reciprocal tariffs pegged to bilateral trade balances that, in practice, most affected partners have chosen to negotiate rather than retaliate against. The political theatre around the initial impositions has passed. What remains is the structural aftermath.

The supply-chain reconfiguration

US industrial policy has spent a decade talking about reshoring. The second-term tariff regime has produced the first measurable reshoring outcomes at industrial scale. Mexican assembly has expanded substantially for automotive, appliances, and intermediate electronics, capturing capacity that the 2018–2020 tariff wave began to redirect and the current regime has accelerated. Vietnamese, Indonesian, and Indian capacity for apparel, footwear, and lower-complexity electronics has absorbed the marginal share that would previously have gone to coastal China. A measurable — if modest — return of domestic capacity has occurred in steel, aluminium, and battery cells, supported by combined tariff protection and the Inflation Reduction Act's production credits.

The politics of this reconfiguration cut in unexpected directions. The largest beneficiaries are Mexican and Vietnamese manufacturers, not US ones. The companies that rebuilt their supply chains most successfully are the ones with the capital and sophistication to relocate capacity on a two-year timeline — which skews toward large multinationals, not the mid-market manufacturers the tariff rhetoric was supposedly designed to protect. Small and mid-sized US importers, lacking the leverage to renegotiate vendor pricing or relocate sourcing, have absorbed the tariff cost as margin compression or passed it through to consumers as headline price inflation that now shows up in every inflation reading.

The counter-tariff question

The initial administration assumption — that bilateral trading partners would absorb counter-measures and negotiate their way back into US market access — has been partially vindicated. Canada, Mexico, Japan, South Korea, and most of the EU have pursued negotiation rather than escalation, producing country-specific arrangements that reduce the effective tariff burden in exchange for concessions on regulatory alignment, digital-services taxation, or agricultural market access. The resulting bilateral architecture has replaced, in operational terms, the multilateral schedule that governed US trade relations before 2018.

China has not pursued negotiation on the same terms. The counter-tariff response from Beijing has been measured but persistent, targeted on politically sensitive US exports — agricultural commodities, aircraft, entertainment — and coordinated with the broader industrial-policy mobilisation that has marked the Chinese response to export controls on advanced semiconductors and AI-adjacent equipment. The US-China trade relationship has, as a matter of practical conduct, decoupled in the high-technology segment and recoupled on a transactional basis in consumer goods. The direction of travel favours continued decoupling in strategic sectors and case-by-case accommodation in non-strategic ones.

The WTO's quiet disassembly

The institutional consequence that has received the least public attention is the progressive hollowing-out of the WTO dispute-resolution function. The Appellate Body has been non-functional since 2019 because successive US administrations have blocked judicial appointments. The second-term tariff architecture has effectively abandoned the body as a forum for US trade disputes. Affected partners have filed complaints that accumulate in the dispute pipeline without reaching appellate review. The system now operates as a recording mechanism for grievances rather than a binding adjudicative framework.

This represents a substantive strategic choice, even though it has not been publicly framed as one. The United States' position for seventy years was that a rules-based multilateral trading system served its interests — that compliance with collectively negotiated rules produced better outcomes than bilateral power-based bargaining. The second-term tariff architecture implicitly reverses that judgment. It treats bilateral leverage, applied transactionally, as a more effective instrument than multilateral rule-following. The judgment may or may not be correct. It is not being openly debated.

The affected partners have drawn their own conclusions. The EU has pursued its Carbon Border Adjustment Mechanism without meaningful US coordination. Japan and South Korea have advanced regional trade architecture that explicitly accommodates US tariff behaviour as a fixed parameter. Latin American and African states have increased their dollar-share trade denomination with non-US counterparties and their use of alternative settlement infrastructure — the mechanism that the BRICS payment rails discussion explicitly formalises. These adjustments are individually modest. Collectively they represent a reorganisation of the global trading system around the acknowledgment that the multilateral rules-based architecture no longer binds the largest economy in the system.

The counterpoint

The tariff programme's defenders argue that the short-term disruption costs have been overstated, that the long-term supply-chain reconfiguration is a structural benefit to US industrial capacity that was systematically under-invested in since the 1990s, and that the relative decline of the WTO's dispute-resolution function reflects the system's failure to discipline Chinese non-market conduct rather than any US departure from its principles. Each of these arguments has empirical content.

The reshoring outcomes are real, even if distributionally concentrated. The under-investment in domestic industrial capacity through the 1990s and 2000s is well-documented, and the policy response was always going to require either substantial subsidy (the Inflation Reduction Act path) or tariff protection (the current path) or some combination. The WTO's structural inability to discipline Chinese industrial policy — notwithstanding multiple decades of US complaint — is a legitimate indictment of the institution's effectiveness. None of these arguments, however, fully answers the counter-question: whether the second-term tariff architecture is producing a more stable international trading system than the one it is replacing, or merely a different one in which US leverage over smaller partners is maximised at the cost of the institutional architecture that disciplined US conduct as well as its competitors'.

What to watch

Two inflation cycles from now, the cost-pass-through data will be clean enough to determine whether the tariff regime produced structural inflation or a one-time price-level adjustment. The first real test of the bilateral architecture will be the next major geopolitical shock — a commodity-price dislocation, a regional conflict disrupting shipping lanes, a supply-chain failure at a single chokepoint vendor. The bilateral arrangements that have replaced the multilateral rules will either prove adequate to the coordination problem or they will not. If they do not, the institutional pressure for a reconstitution of some multilateral framework will re-emerge, and the question will be who writes the successor rules.

Related coverage

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• ICC sanctions and the rules-based order that isn't: a judge says the quiet part — parallel case of great-power exemption from the institutional architecture they once built.
• Nexstar closed the Tegna deal hours after state lawsuits — and that was the point — domestic-regulatory-capture counterpoint to the international-rules story.