https://www.thetimes.co.uk/edition/news/irish-want-sea-border-with-uk-after-brexit-lvb6n35fq
https://carnegieendowment.org/files/2-24_Lehne-EU_Geopolitics.pdf
https://yougov.co.uk/news/2017/04/26/voting-intention-conservatives-45-labour-29-25-26-/
https://www.ips-journal.eu/topics/european-integration/he-came-in-like-a-wrecking-ball-7658/