Quotulatiousness

January 13, 2025

The “Thucydides Trap”

Filed under: Books, China, History, Military, USA — Tags: , , , , , , — Nicholas @ 03:00

At History Does You, Secretary of Defense Rock provides a handy explanation of the term “the Thucydides Trap”:

In the world of international relations, few concepts have captured as much attention — and sparked as much debate — as the “Thucydides Trap”. Brought to prominence by Harvard political scientist Graham Allison, the term suggests that conflict is almost inevitable when a rising power threatens to displace an established one, a dynamic often invoked to frame the strategic rivalry between the United States and China. Lauded as a National Bestseller and praised by figures like Henry Kissinger and Joe Biden, Allison’s Destined for War: Can America and China Escape Thucydides’s Trap? has become a staple of policy discussions and academic syllabi. Yet beneath the widespread acclaim lies a deeply flawed analysis, one that risks oversimplifying history and perpetuating a fatalistic narrative that could shape policy in dangerous ways. Far from an inescapable destiny, the lessons of history and the nuances of modern geopolitics suggest that the so-called “trap” may be more myth than inevitability.

The term “Thucydides Trap” is derived from a passage in the ancient Greek historian Thucydides’ work History of the Peloponnesian War, where he explained the causes of the conflict between Athens (the rising power) and Sparta (the ruling power) in the 4th century BC. Thucydides famously wrote

    It was the rise of Athens and the fear that this instilled in Sparta that made war inevitable.

Allison defines the “Thucydides Trap” as “the severe structural stress caused when a rising power threatens to upend a ruling one”.1 More articles by Allison using this term previously appeared in Foreign Policy and The Atlantic. The book, published in 2017, was a huge hit, being named a notable book of the year by the New York Times and Financial Times while also receiving widespread bipartisan acclaim from current and past policymakers. Historian Niall Ferguson described it as a “must-read in Washington and Beijing”.2 Senator Sam Nunn wrote, “If any book can stop a World War, it is this one”.3 A brief search on Google Scholar reveals the term “Thucydides Trap” has been cited or used nearly 19,000 times. In 2015, Australian Prime Minister Malcolm Turnbull even publicly urged President Xi and Chinese Premier Li Keqiang to avoid “falling into the Thucydides Trap”.4 One analyst observed that the term had become the “new cachet as a sage of U.S.-China relations”.5 The term has become so prominent that it is almost guaranteed to appear in any introductory international politics course when discussing U.S.-China relations.

Allison wrote in his essay “The Thucydides Trap: Are the U.S. and China Headed for War?” in The Atlantic published in 2015, “On the current trajectory, war between the United States and China in the decades ahead is not just possible, but much more likely than recognized at the moment” forewarning, “judging by the historical record, war is more likely than not”.6 A straightforward analysis of the 16 cases in the book and previous essays might indicate that, based on historical precedent, there is approximately a 75 percent likelihood of the United States and China engaging in war within the next several decades. Adding the additional cases from the Thucydides Trap Website would still leave a 66 percent chance, more likely than not, that two nuclear-armed superpowers will go to war with one another, a horrifying and unprecedented proposition.7

With such alarm, it’s no surprise that the concept gained such widespread attention. The term is simple to understand and in under 300 pages, Allison delivers a sweeping historical narrative, drawing striking parallels between events from ancient Greece to the present day.8 International Relations as a field often struggles to break through in the public discourse, but Destined for War broke through, making a broad impact on academic and popular discourse.


    1. Graham Allison, Destined For War: Can America and China Escape Thucydides’s Trap? (Boston: Houghton Mifflin Harcourt, 2017), 29.

    2. Ibid., iii.

    3. Ibid., vi.

    4. Quoted by Alan Greeley Misenheimer, Thucydides’ Other “Traps”: The United States, China, and the Prospect of “Inevitable” War (Washington: National Defense University, 2019), 8.

    5. Misenheiemer, 1.

    6. “Thucydides’s Trap Case File” Belfer Center for Science and International Affairs, Harvard Kennedy School, accessed December 31, 2024

    7. Graham Allison, “The Thucydides Trap: Are the U.S. and China Headed for War?” The Atlantic, September 24, 2015.

    8. Misenheimer details what Thucydides actually said about the origins of the Peloponnesian War, 10-17.

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