US President Donald Trump's reliance on tariffs rather than sanctions has been described as both the "world's worst bet" and "a powerful proven source of leverage" to protect the national interests of the United States.

Reuters is tracking how companies are responding to the threat posed by U.S. President Donald Trump’s tariffs.

Re “A look at the 14 countries that received Trump’s tariff letters” (July 8): President Trump’s helter-skelter application of tariffs is bad for the U.S. and bad for world