https://www.publications.parliament.uk/pa/cm201617/cmselect/cmintrade/817/817.pdf
https://constitution-unit.com/2022/09/06/boris-johnson-and-the-myth-of-getting-brexit-done/?mc_cid=95e6373cc2&mc_eid=815b1928ec
https://blogs.lse.ac.uk/brexit/2019/10/23/long-read-the-makings-of-brexit-and-the-road-ahead/
https://ukandeu.ac.uk/wp-content/uploads/2023/05/Divergence-Tracker-7-FINAL.pdf