
https://theconversation.com/ukraine-war-russias-hard-line-at-european-security-meeting-ratchets-up-tensions-another-notch-218938

https://www.theatlantic.com/magazine/archive/2020/12/can-history-predict-future/616993/

http://www.europarl.europa.eu/sides/getDoc.do?pubRef=-%2f%2fEP%2f%2fNONSGML%2bCOMPARL%2bPE-627.625%2b01%2bDOC%2bPDF%2bV0%2f%2fEN