[This Day] Diplomacy is increasingly becoming more interesting in international relations in light of the challenges shaping the quest for a New World Order. When Professor Jean-Baptiste Duroselle of the Université de Paris theorised that 'tout empire périra,' that is, 'every empire shall perish,' he must have considered the cases of empires, like the United States under President Donald Trump, who does not appear to believe that an empire can perish or can be allowed to perish.