https://apps.dtic.mil/sti/pdfs/AD1151522.pdf
https://blogs.lse.ac.uk/europpblog/2023/03/03/russia-ukraine-war-kyivs-four-key-principles-for-securing-a-lasting-peace/
https://media.defense.gov/2022/Mar/28/2002964028/-1/-1/1/_JIPA_MARCH-APRIL%202022.PDF/_JIPA_MARCH-APRIL%202022.PDF
https://www.eeas.europa.eu/sites/default/files/documents/strategic_compass_en3_web.pdf