The election of Donald Trump in 2016 in the United States and the weight of various intellectuals and activists united under the label 'alt-right' in his campaign and during the beginning of his term of office, the unlikely populist alliance formed in Italy between the Northern League and the 5-Star Movement, or the constitution in France by Marion Maréchal of an institute of social, economic and political sciences: all of these elements show that cultural hegemony appears to be the condition of possibility for political conquest.