https://visual.ons.gov.uk/commonwealth-trade-in-focus-as-uk-prepares-for-brexit/
https://carnegieendowment.org/files/202110-Brattberg_et_al_EuropeChina_final.pdf
https://sosapadilla.github.io/files/papers/Bianchi_Sosa-Padilla_PP.pdf
https://ukandeu.ac.uk/northern-irelands-vicious-cycle-of-governance-failure/