
https://www.ips-journal.eu/topics/democracy-and-society/the-berlin-blob-7462/

https://css.ethz.ch/content/dam/ethz/special-interest/gess/cis/center-for-securities-studies/pdfs/RAD274.pdf

https://washingtonmonthly.com/2024/01/30/how-ukrainians-are-dealing-with-republicans-dithering-over-military-aid/