Recently, President Trump announced that he would embargo if European countries continued to trade new Iran. Then the Washington government also warned Mexico that it would be imposed a tariff barrier if it could not prevent the influx of immigrants. By June 1, 2019, President Trump continued to scare the world when Indians were eliminated. The list of those who are not eligible for a special trade regime is not enough for the US companies to open the market. Even the New York Times revealed that President Trump planned to set up a tax barrier with imported aluminum from Australia until the Defense Department protested this.