
https://www.progressivepolicy.org/blogs/trade-fact-of-the-week-americas-non-mfn-tariffs-on-natural-resources-are-usually-low/

https://www.irishecho.com/2019/08/committee-backs-pelosi-over-brexit-trade/

https://economy2030.resolutionfoundation.org/wp-content/uploads/2023/06/Trading-Up.pdf