https://www.crisisgroup.org/europe-central-asia/balkans/kosovo/269-northern-kosovo-asserting-sovereignty-amid-divided-loyalties
https://www.washingtonpost.com/outlook/2022/05/11/ukraine-war-expansion-risks-nuclear/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=213307436&utm_source=hs_email
https://understandingwar.org/backgrounder/lands-ukraine-must-liberate