https://www.foreignaffairs.com/europe/promise-and-peril-eu-expansion
https://www.otto-brenner-stiftung.de/fileadmin/user_data/stiftung/Aktuelles/AH93/AH_93_Haller_Web.pdf
https://theconversation.com/french-snap-elections-cohabitation-could-reshuffle-the-cards-between-president-and-prime-minister-232296