https://www.politico.eu/article/cuban-mercenaries-join-russian-army-ukraine-war/
https://english.news.cn/20230606/abb9fac1ea384ebca68aade5f1eef118/c.html
https://www.project-syndicate.org/commentary/china-hong-kong-return-by-chris-patten-2017-06
https://www.nytimes.com/2019/06/06/world/europe/us-defense-spending-nato.html