Few ideas have shaped the way Washington talks about Beijing more than the Thucydides Trap. The Harvard political scientist Graham Allison built the phrase on a single line from the ancient historian Thucydides, who wrote that “it was the rise of Athens and the fear that this instilled in Sparta that made war inevitable.” Allison turned that observation into a general law of world politics. When a rising power threatens to displace a ruling one, he argues, fear and miscalculation push the two toward a catastrophic collision. He first floated the term in a 2012 Financial Times essay and expanded it in his 2017 book Destined for War. Surveying sixteen power transitions over five centuries, he counted twelve that ended in war and only four that stayed peaceful, then warned that the American and Chinese relationship now traces the same dangerous arc.

The theory is elegant, and that is precisely the problem. Western strategists tend to read foreign powers through their own reflection. Having watched Britain, France, Germany, and their own country climb the ladder of empire through conquest and colonies, they assume any ascendant state will reach for the same rungs. Yet imputing European motives to an Asian civilization mistakes a particular history for a universal instinct. China’s rise unfolds inside a geography and a culture that make the sort of quick, broad conquest campaigns that defined European great powers extraordinarily hard to carry out.

Serious scholars have picked the framework apart on its own terms. One recent academic study argues that Allison borrowed his model directly from Robert Gilpin’s already-contested theory of hegemonic war, part of a broader trend in international relations of “dehistoricization” that strips historical cases of their messy context to fit tidy, deterministic models. Historians of the Anglo-German antagonism—the early twentieth century rivalry Allison cites as his primary template—add that outdated readings of that quarrel, rooted in Paul Kennedy’s superseded antagonism paradigm, have seeped into the theory and distorted it. The sharpest blow comes from the Hudson Institute, where Miles Yu calls the Trap “deterministic nonsense” that treats history “like a mechanical conveyor belt in which shifts in power automatically produce war,” pushing aside diplomacy, deterrence, alliances, and human judgment in favor of what he calls “simplistic structural fatalism.”

Yu also enjoys the detail everyone forgets. In the actual Peloponnesian War, Sparta defeated Athens. The established power crushed the rising one, which quietly undercuts the whole moral of the tale. He notes the irony that Beijing finds the theory convenient, since it converts the Chinese Communist Party’s own coercion into historical destiny rather than choice, even as China’s assertiveness has stirred the balancing coalitions, from a wary NATO to a re-arming Japan to a Western leaning India, that make any unstoppable ascent look doubtful.

The parallel strains hardest against China’s actual conduct. As the New Statesman points out, China fought its modern wars against Korea in 1950, India in 1962, and Vietnam in 1979 when it was weak and poor, not when it was strong and rising, which is the reverse of what the Trap predicts. Beijing also lacks the alliance network that stood behind Athens or Wilhelmine Germany. It faces neighbors saturated with fierce nationalism, from Hanoi to Tokyo to New Delhi, and a ring of American partners rather than a coalition of its own, leaving it comparatively isolated instead of poised as a backed challenger. A capability audit by the Clausius Scientific Press finds that China’s navy, air force, and missile forces still trail the United States by a wide margin, and that its posture stays defensive and economically constrained.

Nuclear weapons finish off the analogy. Greek city states never faced mutual annihilation, so applying their logic to two nuclear powers is, in Yu’s phrase, “historical cosplay” rather than strategy. Some analysts go further, noting that an aging population, an unbalanced economy, and environmental strain may mean Chinese power has already peaked. History even offers the peaceful transitions the Trap glosses over. Britain never fought the rising United States, settling its disputes through arbitration and restraint, while postwar Germany and Japan grew into economic giants without war.

The most systematic rebuttal comes from China itself. Zheng Bijian, a senior Communist Party theorist who served as executive vice president of the Central Party School, laid out the doctrine of peaceful rise, or heping jueqi, in Foreign Affairs in 2005. His argument turns on globalization. Where past powers such as Britain, Germany, and Japan needed war and colonies to seize capital, technology, and resources, China can buy all three peacefully by plugging into world markets, so it carries no structural need to expand by force.

He points to China’s break from the Soviet template as proof of intent. China turned toward reform and opening up in 1978, a year before the Soviet Union invaded Afghanistan in 1979, choosing integration over the tank. Because development demands a calm international environment, restraint sits baked into the strategy rather than bolted on. Zheng framed it around “three peaces” of international peace, internal harmony, and reconciliation across the Taiwan Strait, paired with “three big motive forces” of innovation in systems, science, and culture and “four great guarantees” of human capital, social harmony, national defense, and an independent peaceful foreign policy. He offered the whole design as a direct answer to China threat theories, insisting that a strong and integrated China steadies the world rather than shaking it.

Beijing’s own leadership rejects this fatalistic theory outright. During his 2015 state visit to Washington, Xi Jinping told an American audience, as recorded by the National University of Singapore’s East Asian Institute, “There is no such thing as the so-called Thucydides trap in the world. But should major countries time and again make the mistakes of strategic miscalculation, they might create such traps for themselves.”

To be sure, Beijing’s domestic conduct might be unsavory for Western tastes. But belligerence abroad is a different kettle of fish, and by that measure China has not fought a war in almost fifty years. Its last real one ended in 1979. A theory that predicts an inevitable clash keeps colliding with a country that keeps declining to fight.