The one thing that stands out for me is the postal treaty that was negotiated so that China is able to deliver products to the US for less than it costs a local

The one thing that stands out for me is the postal treaty that was negotiated so that China is able to deliver products to the US for less than it costs a local company to deliver to an adjacent state. I'd love to have the background on how this situation arose. The giving away of the one and only single competitive advantage to a country that manipulates its currency, has little to no environmental laws and occupation health & safety etc. It just boggles the mind the economic devastation this decision would have wreaked across the US.