https://www.openglobalrights.org/how-to-identify-a-contemporary-authoritarian-regime/?lang=English
https://kyivindependent.com/explainer-how-ukraines-political-opposition-has-responded-to-more-than-2-years-of-full-scale-invasion-and-martial-law/
https://ec.europa.eu/commission/publications/terms-reference-article-50-treaty-european-union-negotiations_en
http://www.mirror.co.uk/news/politics/what-2017-general-election-manifestos-10296247