https://blogs.sussex.ac.uk/uktpo/2017/06/12/disentangling-brexit-trade-politics-and-policies/
https://www.gov.uk/government/news/david-davis-opening-remarks-at-the-start-of-the-fourth-round-of-eu-exit-negotiations
https://ecipe.org/blog/eu-russia-trade-since-the-war/
https://www.bloomberg.com/news/features/2021-09-02/food-prices-driven-up-by-global-worker-shortage-brexit