https://www.foreignaffairs.com/europe/promise-and-peril-eu-expansion
https://www.global-counsel.co.uk/sites/default/files/analysis/insight/download/Hard%20and%20Soft%20Political%20Risk.pdf
http://library.fes.de/pdf-files/bueros/suedafrika/02828.pdf
https://www.aldeparty.eu/news/dutch-parties-reach-coalition-agreement