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personTheorised tendency towards war between emerging and existing powersWikipedia

Thucydides Trap

The Thucydides Trap, or Thucydides' Trap, is a term popularized by American political scientist Graham T. Allison to describe an apparent tendency towards war when an emerging power threatens to displace an existing great power as a regional or international hegemon. The term exploded in popularity in 2015 and primarily applies to analysis of China–United States relations, culminating in a reported reference by Chinese President Xi Jinping during a meeting with U.S. President Donald Trump during a May, 2026 Summit.

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