https://www.reuters.com/world/europe/vatican-number-two-says-giving-ukraine-weapons-legitimate-with-conditions-2022-05-13/
https://www.brookings.edu/wp-content/uploads/2020/11/Future-U.S.-policy-toward-China-v8.pdf
https://www.politico.eu/article/turkey-recep-tayyip-erdogan-the-master-haggler-of-world-politics-at-vilnius-nato-summit/