Friday, October 17, 2025

Thucydides’s Trap & Four P's Problem Of US

When discussing the US election, he invokes his “four Ps” of how a rising power impacts on a ruling power in Thucydides’s Trap. He says all four dimensions are present in today’s US. There are shifts in power (“I used to be able to demand something or push a button, but it doesn’t happen any more”), perception (“I used to look down at you because you were smaller than I was and now I’m looking up or eye-to-eye”), psychology (“I’m accustomed to me being number one and not you, you’re threatening my identity”) and politics (“never let a serious [political] opponent get to your right on an issue of national security”). Allison observes that the Republican presidential platform next year may well advocate formal recognition of Taiwan, as one of the prospective candidates – former secretary of state Mike Pompeo – already does. “American politics is driving towards something that could become a provocation that China could not avoid,” Allison says. On Taiwan’s election, he notes that President Tsai Ing-wen cannot run again and that Lai Ching-te, the candidate of her Democratic Progressive Party, “privately is very keen on becoming an independent country [and he] is not as circumspect as Tsai”. 

A particularly striking applied historical example of Thucydides’s Trap is the build-up to the First World War, in which the rise of Germany after unification in 1871 destabilised Europe’s order to the point where it produced catastrophic conflict in 1914. On this parallel I have two questions for Allison.  

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The second question concerns blocs: Europe’s pre-1914 alliance system helped to propel the continent to war in 1914. We are speaking in mid-March, shortly after a major US-UK-Australia (Aukus) summit in San Diego and shortly before a summit between Xi Jinping and Vladimir Putin in Moscow. Is the world entering a new era of big-bloc politics? Here, Allison sees fewer resemblances to conditions before the First World War. The future, he says, will be more multipolar than either unipolar or bipolar. “It’s going to be a much messier world, with many, many actors not determined by any [superpower]’s commands.”  

Again he cites Saudi Arabia – a supposed American ally that is increasingly following its own course. According to US intelligence, Crown Prince Mohammed bin Salman ordered the assassination in 2018 of Jamal Khashoggi, a Washington Post journalist. But as Allison puts it, the Saudi response to US censure over the killing amounted to: “Screw you. You’re trying to ostracise me, you need me as much as I need you.” Allison sees the Saudi-Iran rapprochement as part of this message to the US: “You will have a lot of independent players not asking for permission, not apologising, just pursuing their interests. I think that will be the game.”  

This messier world will be a more dangerous one. I recall Allison’s lectures at Harvard on the Cuban missile crisis and ask him whether those lessons have been retained in major capitals. “About half and half,” he replies. On the one hand, he argues, Vladimir Putin understands well that nuclear war with Nato would mean the end of everything. But on the other, the chances of catastrophic misunderstandings or miscalculations are rising. “In the case of China, as far as I can see, [bilateral communication] is all shut down after the antics over the balloon. If you believe what we learned in the Cold War – which I think is absolutely right – that communication at many levels, some of them private, to reduce risk is important, [then] the absence of these is dangerous.” 

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The conversation leaves me with the impression of a world careening towards yet greater chaos and conflict, blind to the wider forces of history. “I think too often, we imagine that we’re writing on a blank slate, that we can just decide what we want to do,” says Allison. How much should we feel beholden to historical patterns such as Thucydides’s Trap? He replies that structural realities determine about 80 per cent of events. Many things really are externally determined. “I might like to run a marathon in Boston,” the 83-year-old professor says. “But in this life it ain’t gonna happen, given my age.” But, I note, that leaves 20 per cent of events that can be shaped. “Exactly,” comes the reply. “There are two mistakes here. One is to be arrogant: ‘I’m actually writing on a blank slate.’ The other one is to become fatalistic.” I quote a line by Otto von Bismarck, the unifier and first chancellor of the German empire: “The statesman’s task is to hear God’s footsteps marching through history, and to try and catch on to his coat-tails as he marches past.” Allison responds to it immediately: “That’s a great reminder of how, if you fail to take hold of the coat-tails, you’re not going to get where you are going.” 

Then Graham Allison switches metaphors. “Think about a river that you are rowing in. You can try to row upstream, but only with a lot more exertion. Or you can declare to the river that it should stop, but that’s not going to do much good. Or maybe you can dam the river, or dam part of it, or maybe you can cut a little tributary.” In other words: though we must be humble before the forces of history, we must recognise where we still have agency. “If the river is big enough and flowing hard enough, there’s going to be water going somewhere. But it’s not necessarily determined that it stays in exactly the channel that it’s in.” Thucydides would doubtless approve. 

- Interview with Graham Allison who coined the term Thucydides’s Trap & author of the book, Destined for War: Can America and China Escape Thucydides’s Trap?


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