
https://www.progressivepolicy.org/blogs/trade-fact-of-the-week-trump-campaign-proposes-the-highest-u-s-tariff-since-1937/

https://publications.parliament.uk/pa/cm201719/cmselect/cmbeis/379/379.pdf

https://www.institute.global/insights/geopolitics-and-security/windsor-framework-what-has-been-agreed-and-what-it-means-northern-ireland-protocol