In the former mining town at the heart of French far-right leader Marine Le Pen’s political strategy, her party’s electoral success came as no surprise to hundreds of supporters who gathered to see her victory speech.

Looking at her political views, you can see she is empathetic towards the French identity and favors (from her pov) patriotic ideologies. You can read more here: https://en.m.wikipedia.org/wiki/Political_positions_of_Marine_Le_Pen

It makes sense why the French people are choosing RN—globalization and neoliberalism created a lot of socioeconomic “losers”, and they’re getting their revenge by voting out centrists whose policies are to blame. This is even is clearer looking at the next party that’s winning right now, the leftist and anti-cap socialists.