https://www.global-counsel.co.uk/sites/default/files/analysis/insight/download/Hard%20and%20Soft%20Political%20Risk.pdf
https://ecfr.eu/wp-content/uploads/2023/03/Fragile-unity-Why-Europeans-are-coming-together-on-Ukraine-and-what-might-drive-them-apart_v2.pdf
https://centreonconstitutionalchange.ac.uk/sites/default/files/2021-04/Union%20at%20the%20Crossroads.pdf