>>18116638 (OP)
The Enlightenment is too broad to be dumbed down as the foundation of the cosmpolitan liberal state. For instance, early Enlightenment liberalism is part of what eventuality gave birth to Nationalism, Fascism, and Marxism. Fichte, Hobbes, and Hegel being foundational figures of these movements.
You might also be conflating Nazi Germany's loss with the rise of cosmpolitanism, and put that blame on liberalism. And yet you are already under the impression which the French Revolution had imposed on your mind. You fail to recognize perhaps that England is comfortable with their liberal-bourgeois republican state, but it might not be for Germany or Italy. This is also a fundamental aspect of the nationalist worldview: genuine pluralism and respect for difference of viewpoints, rather than trying to impose a single ideal, French Revolutionary or Wilsonian, on everybody else.