Explainer: What is the ‘Thucydides Trap’ Xi used to describe US-China relations during Trump visit?

Xi Jinping referenced the 'Thucydides Trap' during his talks with Trump, comparing the US-China relationship to a historical concept about rising and established powers. This theory suggests a heightened risk of conflict when a rising power challenges a dominant superpower. Experts believe diplomacy and strategic adjustment can prevent escalation.