https://yougov.co.uk/news/2017/08/01/britain-nation-brexit-extremists/
https://publications.parliament.uk/pa/cm200203/cmhansrd/vo021126/debtext/21126-17.htm
https://centreforbrexitpolicy.org.uk/wp-content/uploads/2020/07/REPLACING-THE-WITHDRAWAL-AGREEMENT-How-to-ensure-the-UK-takes-back-control-on-exiting-the-transition-period-12-July-20.pdf
https://blogs.lse.ac.uk/brexit/2021/04/13/the-totality-of-uk-irish-relations/