http://blogs.lse.ac.uk/brexit/2017/08/22/what-does-respecting-the-referendum-result-mean/
https://www.gov.uk/government/news/david-davis-speech-at-ubs
https://policyexchange.org.uk/wp-content/uploads/2017/07/Farming_Tomorrow.pdf
https://institute.global/news/customs-and-exiting-european-union