https://www.brookings.edu/articles/war-peace-and-the-international-system-after-ukraine/
https://www.gmfus.org/download/article/20266
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/long-war-ukraine-perspectives-kyiv-and-washington
https://www.foreignaffairs.com/russian-federation/putin-last-stand-russia-defeat