U.S. President Donald Trump said on Tuesday South Korea should be paying for its own military protection and suggested the U.S. ally needed to pay more for the U.S. troop presence there, a day after saying he planned to impose a 25 percent tariff on its imports.

Brazilian President Luiz Inácio Lula da Silva has said he is ready to match any tariffs imposed on Brazil by the United States.

Most economic analyses say the tariffs will worsen inflationary pressures and subtract from economic growth, but Trump has used the taxes as a way to assert the diplomatic and financial power of the U...