Americanism and Europeanism in the Crisis in the World Order Internationalism No. 81, November 2025 Page 1 What can be said about the show diplomacy which has become the hallmark of the American presidency, and was spectacularly demonstrated in Donald Trump's performances at the Israeli Knesset and at the Peace 2025 ceremony in Sharm El Sheikh? The terrain is treacherous, given how it combines the new forms of television and social media democracy and the historical characteristics of Americanism , with the structural changes of Atlantic decline and the resulting dynamics of the global contention. Although it is tinged with a certain despondency, it is worth revisiting the description given in July in L’Opinion by Frédéric Charillon, former head of the Strategic Research Institute at the Military School and lecturer at ESSEC, a French grande école of economic sciences with Jesuit roots. In his view, the days of classical diplomacy are o...