https://trade.ec.europa.eu/doclib/docs/2018/april/tradoc_156791.pdf
https://fortune.com/2025/03/10/trump-william-mckinley-tariffs-gilded-age/
https://static.europeanchamber.com.cn/upload/medianews/attachments/European_Chamber_Trade_War_Survey_Results_and_Analysis_Fall_2019[24].pdf
https://www.piie.com/sites/default/files/2023-04/pb23-3.pdf