
http://fedtrust.co.uk/after-the-election-comes-the-painful-brexit-reality/

https://blogs.sussex.ac.uk/uktpo/2017/06/12/disentangling-brexit-trade-politics-and-policies/

https://www.euronews.com/2018/09/25/why-is-the-irish-border-issue-so-complex-euronews-answers