What Is the Origin of Nationalism?

France was the first country established in Europe, established by Charlemagne. And when the French Revolution happened, basically France was one of the most populous countries in all of Europe. The people's core driving spirit is the hate for the aristocrats and the royals. They're like rappers that are walking around the whole time, dressing all fancy being like, we're just on another level. We're not the same. You're below us in all this"