Simply six months after Donald Trump’s return to the presidency in america, it seems like there was a pointy break with America’s post-war diplomatic legacy.
The Trump administration has been steadily making bulletins that upset the established order, together with reviving a proposal to purchase Greenland with out ruling out military action. American officers have publicly spread pro-Russian narratives
and escalated protectionism by introducing tariffs, typically introduced unilaterally and immediately, however fluctuate according to the president’s moods.
What do these developments inform us in regards to the American potential to construction the worldwide order in gentle of the truth that the U.S. has been the dominant participant within the international system in latest a long time?
As a researcher at ENAP specializing in worldwide relations principle, I consider that it marks a major step within the emergence of counter-hegemonic powers and, by extension, that it alerts a weakening of American energy.
(AP Picture/Mark Schiefelbein)
Decline that’s nothing new
Many see Trump administration’s latest decisions as an indication of the “starting of the tip” of American hegemony. However there may be nothing new about this discourse.
The thought of a U.S. decline has been circulating usually in tutorial and strategic circles for the reason that Chilly Struggle. As early because the Nineteen Eighties, British scholar Susan Strange challenged this “declinist” view, insisting that the true power of the U.S. lay not simply in its financial or army energy, however in its central position inside main worldwide establishments and strategic alliances.
It was this structuring position — relatively than materials superiority alone — that assured its dominant place on the world stage. After the tip of the Chilly Struggle, the query of decline was largely put aside: French Minister Hubert Védrine declared the U.S. a “hyperpower” for the best way it concentrated all of the means of worldwide domination.
However for the reason that mid-2000s, the talk on the decline of American hegemony has returned with a vengeance, fuelled by the rise of nations resembling China, Russia, India, Brazil, Iran and South Africa.
Nonetheless, since then no consensus has emerged within the academic community about the character of the worldwide system (unipolar, bipolar, and even multipolar).
Liberal hegemony
American hegemony has been weakened in sure areas of the world. Political science professors Douglas Lemke of Pennsylvania State College and Suzanne Werner of Emory College have proven this of their work on regional systems. Nonetheless, not one of the candidates for counter-hegemony (China, India, Japan and even the European Union) have thus far managed to match the U.S. on one key level: its potential to forge sturdy and lasting alliances and occupy a central place in main worldwide organizations.
This position of conductor, which works past the easy accumulation of fabric energy, echoes Unusual’s reflections on “structural energy.”
This aligns intently with research by Daniel Nexon, professor at Georgetown College, and Thomas Wright, director of the U.S.-Europe Middle on the Brookings Establishment. They distinguish between two important forms of hegemony:
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Classical or imperial hegemony relies on coercion, threats and unbalanced bilateral relations. A rustic with this kind of hegemony imposes its preferences with out submitting to shared guidelines.
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Liberal hegemony relies on shared and binding establishments, to which even the dominant energy agrees to submit in trade for extra steady and legit co-operation.

From this angle, the united statesled worldwide order since 1945 clearly falls beneath the second mannequin.
Through the Chilly Struggle, its hegemony was exercised primarily within the western world. However after the autumn of the Soviet bloc, this affect unfold globally. The U.S. got here to embody a type of institutional hegemony, supported by networks of alliances like NATO and the G7 and multilateral establishments that embrace the United Nations, the Worldwide Financial Fund and the World Commerce Group.
This made American domination extra acceptable, much less brutal, and above all harder to compete with. Though the American place was weakened in sure areas, it remained central as a result of it assured stability and predictability that its rivals — together with China and Russia, who favoured a extra coercive strategy — couldn’t provide.
It was exactly this liberal/constitutional mannequin of hegemony that slowed the emergence of actual international counterpowers.
Trump 2.0: The return unfiltered hegemony
By its quite a few statements and selections, the Trump administration is breaking with the liberal hegemony that has structured the worldwide order for many years.
Instead, a extra authoritarian, unilateral stance is rising, near what researchers name basic hegemony. This variation is evident sufficient that some analysts think about sure developments worrisome.
Olivier Schmitt, professor and specialist of alliances on the Royal Danish Defence Faculty, raised the likelihood a couple of months in the past of a “Warsawization” of NATO, a situation wherein Washington would rework the group right into a form of counterpart to the Warsaw Pact, with a inflexible and asymmetrical construction based mostly on worry relatively than co-operation.

(Pool by way of AP)
This return to a type of coercive hegemony is problematic as a result of it’s based mostly on a really short-term view of worldwide relations.
Not like China or Russia, which each apply a type of authoritarian hegemony however with a sure strategic consistency and predictability, the Trump administration acts as if worldwide relations had been a non-iterative recreation, within the sense of game theory — in different phrases, a recreation wherein refusing to co-operate is probably the most profitable technique.
It adopts a method the place every transfer is performed with out concern for future retaliation or the long-term affect on its fame. Nonetheless, different nations and companions keep in mind and alter their behaviour based mostly on precedents.
By performing on this method, the U.S. tasks the picture of an opportunistic and unstable entity whose commitments now not have lasting worth. This variation in posture erodes belief and undermines the stabilizing position that the U.S. had as soon as efficiently embodied.
Uncertainty that fuels distrust
Europe and a few of its companions are embarking on what seems like a brand new “western schism,” positioning themselves as a liberal counter-model to Trump’s America. However the consequence of this dynamic will largely rely on the power of Europeans to be brokers of change relatively than mere spectators.
Nonetheless, the situations at the moment are in place for the emergence of real counter-hegemonies. This dynamic will proceed even when the Democrats return to energy in 2029: the Trumpist interlude could have offered America’s allies with proof that an alliance with the U.S. is just dependable when the White Home is Democratic, and that it instantly turns into precarious as quickly as a Republican occupies it.
This uncertainty will gasoline distrust and push for the consolidation of counter-hegemonic methods. Even a partial restoration of the liberal order will in all probability not be sufficient to stem the fragmentation of the worldwide system that’s already underway.
Moreover, it ought to be famous that the Trump administration is just simply starting its time period: except there’s a reversal within the midterm elections in November 2026, it’ll nonetheless have appreciable margin for manoeuvre till January 2029. In different phrases, the present trajectory is more likely to proceed.
On this sense, Trump’s second time period doesn’t merely mark a shift, however a long-lasting break. The slogan “Make America Nice Once more” now appears much more misguided: as a substitute of restoring American energy, this coverage is accelerating its decline.