https://www.theguardian.com/politics/2017/sep/04/uk-trade-deals-after-brexit-theresa-may-eu
https://www.iod.com/Portals/0/PDFs/Campaigns%20and%20Reports/Europe%20and%20trade/Going-global.pdf?ver=2018-04-04-164140-840
https://www.brookings.edu/articles/distinguishing-us-economic-policy-from-chinas-is-important-to-win-hearts-and-minds/
https://www.progressivepolicy.org/blogs/trade-fact-of-the-week-trump-campaign-proposes-the-highest-u-s-tariff-since-1937/