https://www.politico.eu/article/marine-le-pen-turned-respectable-france-presidential-election/
https://blogs.lse.ac.uk/europpblog/2023/10/17/why-differentiation-is-now-at-the-heart-of-europes-political-system/
https://blogs.lse.ac.uk/brexit/2019/11/04/would-a-more-educated-population-have-rejected-brexit/
https://www.newpactforeurope.eu/documents/NPEFINALreportBelgiumonlineversion.pdf?m=1494341309