https://publications.parliament.uk/pa/cm201719/cmselect/cmniaf/329/329.pdf
https://www.gov.uk/government/news/joint-article-a-deep-and-special-partnership
https://www.nytimes.com/2017/05/29/opinion/britain-brexit-economy.html?_r=1
https://publications.parliament.uk/pa/cm201719/cmselect/cmbeis/380/380.pdf