https://www.ips-journal.eu/topics/foreign-and-security-policy/the-perfect-scapegoat-7121/
https://apps.eui.eu/EUI_API/EVENTSV2/Attachments/Index?id=22316
https://publications.parliament.uk/pa/ld201719/ldselect/ldintrel/250/250.pdf
https://www.politico.eu/article/spain-and-uk-reach-eleventh-hour-deal-to-avoid-a-hard-border-in-gibraltar/