https://www.theatlantic.com/international/archive/2020/09/britain-brexit-humbling/616343/
https://hansard.parliament.uk/commons/2018-03-07/debates/65828E0C-3CC7-43AE-B5D2-B5F1B5D42A4C/EuropeanUnionCitizenship
https://rusi.org/sites/default/files/newsbrief_37.3_elliott.pdf
https://blogs.imf.org/2019/12/17/new-data-on-world-debt-a-dive-into-country-numbers/?utm_medium=email&utm_source=govdelivery