https://www.20minutes.fr/politique/2424043-20190115-non-traite-aix-chapelle-va-donner-alsace-lorraine-allemagne
https://theconversation.com/why-german-reunification-is-still-a-good-idea-237602
https://www.ips-journal.eu/topics/future-of-social-democracy/where-is-italy-heading-5337/