https://www.socialeurope.eu/2017/07/european-welfare-states-perform/
https://www.opendemocracy.net/can-europe-make-it/group-of-philosophers/declaration-on-crisis-in-catalonia?utm_source=Daily+Newsletter&utm_campaign=325bbfb20b-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-325bbfb20b-407405485
https://www.dsgv.de/newsroom/presse/190912_PM_EZB_30.html
https://www.foreignaffairs.com/europe/promise-and-peril-eu-expansion