https://www.socialeurope.eu/wp-content/uploads/2018/01/Inequality-in-Europe-final.pdf
https://blogs.lse.ac.uk/europpblog/2022/03/04/are-ukrainian-values-closer-to-russia-or-to-europe/
https://theconversation.com/how-the-social-structures-of-nazi-germany-created-a-bystander-society-221344