https://www.kcl.ac.uk/policy-institute/assets/rising-to-the-china-challenge.pdf
https://www.politico.eu/article/cuban-mercenaries-join-russian-army-ukraine-war/
https://www.brookings.edu/blog/fixgov/2023/02/23/one-year-into-the-ukraine-war-what-does-the-public-think-about-american-involvement-in-the-world/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=247505723&utm_source=hs_email
https://www.brookings.edu/articles/douzheng-unraveling-xi-jinpings-call-for-struggle/