Explainer: What is the ‘Thucydides Trap’ China's Xi warned about in talks with Trump?

Xi remarks come as global focus grows on whether US-China tensions can be kept from escalating

In his speeches and meetings with foreign leaders, President Xi Jinping often references classical maxims or poems from ancient China.

On Thursday. however, Xi chose to compare theUS-China relationshipto the "Thucydides Trap", a political term coined by an American scholar based on an account of the Peloponnesian War by ancient Greek historian Thucydides.

President Xi. during his high-profile summit with his US counterpart Donald Trump, raised a pressing question that has become central to modern geopolitics:

Can China and the US avoid “Thucydides Trap”?

But exactly what is “Thucydides Trap”?

Popularised by American political scientist Graham Allison. Thucydides Trap refers to the heightened risk of war or serious conflict when a rising power challenges an established global power.

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The concept traces its origins to the ancient Greek historian-philosopher Thucydides, who chronicled the Peloponnesian War between Sparta and Athens. According to Thucydides, Sparta’s fear of Athens’ growing influence significantly contributed to the outbreak of war.

In contemporary geopolitical discussions, the “Thucydides Trap” is often cited to describe tensions between a rising power — such as China —. a dominant superpower like the US.

The theory warns that the rapid ascendance of a nation can create fear, mistrust,. strategic rivalry in the established power, which may increase the risk of conflict.

However, experts say that the trap is not a guarantee of war. Allison himself has stated that historical evidence shows several instances where rising. established powers successfully avoided conflict through careful diplomacy and strategic adjustment.

The remarks by President Xi come amid growing global attention on the evolving dynamics between Beijing. Washington, with analysts watching closely to see whether diplomacy can prevent tensions from escalating into confrontation.

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