President Trump on Monday said the U.S will impose 25% tariffs on goods from South Korea and Japan by Aug. 1, while also threatening to hit a dozen other nations with steep import duties by next month.

President Donald Trump sent letters to the leaders of five more countries Wednesday, adding to the growing list of US trading partners for whom he has set new tariff rates.

President Trump is again amping up his trade threats, unveiling a new batch of letters to country leaders outlining tariffs on goods imported from their countries beginning in August. Trump on Wednesday posted to social media six letters,