
https://www.foreignaffairs.com/articles/united-states/2021-09-27/kremlins-strange-victory?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=164798306&utm_source=hs_email

https://wiiw.ac.at/keeping-friends-closer-why-the-eu-should-address-new-geoeconomic-realities-and-get-its-neighbours-back-in-the-fold-dlp-6487.pdf

http://www.lisbon-treaty.org/wcm/the-lisbon-treaty/treaty-on-european-union-and-comments/title-1-common-provisions/7-article-7.html