
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/long-war-ukraine-perspectives-kyiv-and-washington

https://www.rand.org/pubs/research_reports/RR1786.html

https://www.brookings.edu/articles/comparing-global-views-of-the-united-states-and-china-during-the-trump-and-biden-administrations/