https://europa.eu/european-union/about-eu/countries_en
https://www.politico.eu/article/us-economist-fiona-scott-morton-quits-eu-job-emmanuel-macron/
https://www.brookings.edu/articles/what-is-at-stake-in-polands-election/
https://www.foreignaffairs.com/europe/promise-and-peril-eu-expansion