https://koerber-stiftung.de/site/assets/files/36032/koerber-emerging-middle-powers_report-2024.pdf
https://www.brookings.edu/articles/south-korea-as-a-global-pivotal-state/
https://www.brookings.edu/research/a-post-american-europe-and-the-future-of-u-s-strategy/
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