https://www.sussex.ac.uk/webteam/gateway/file.php?name=briefing-paper-1.pdf&site=18
https://ec.europa.eu/commission/sites/beta-political/files/position-paper-public-procurement_en.pdf
https://conservativehome.com/2022/05/11/the-northern-ireland-protocol-the-options-boil-down-to-hoping-the-eu-backs-down-or-offering-it-a-new-deal/
https://www.foreignaffairs.com/articles/2020-01-21/imperial-presidency-alive-and-well?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=82321995