What is ‘Thucydides trap,’ mentioned during Trump-Xi meeting?

Chinese President Xi Jinping and US President Trump discussed the 'Thucydides Trap' during their meeting in Beijing, a concept that refers to the challenge of avoiding conflict between an emerging power and an established one. Xi questioned whether both countries can overcome this trap and create a new paradigm for major country relationships. The meeting was held ahead of high-stakes discussions between the two nations.