https://www.gov.uk/government/speeches/eu-speech-at-bloomberg
https://publications.parliament.uk/pa/cm201719/cmselect/cmexeu/1778/1778.pdf
https://blogs.lse.ac.uk/brexit/2020/02/26/long-read-from-anglo-irish-to-british-irish-relations-whats-next/
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/397079/Scotland_EnduringSettlement_acc.pdf