Every country in the world has a trade policy pertaining to whatever it imports or exports. The policy may be explicitly touted by its government or developed on a strictly unwritten empirical basis. National trade policies always include some sort of government involvement, be it passive laissez-faire, aggressive management or, usually, something in between. With some notable exceptions, the U.S. has generally long pursued free trade policies and the elimination or at least reduction of import tariffs and non-tariff trade barriers. It was a key sponsor of the Tokyo and Uruguay Rounds of international trade negotiations as well as a supporter of the agreements that both produced, including establishment of the WTO. In the 2016 election ca...