Donald Trump threatened to impose a 50% tariff on Brazil over its domestic political affairs, the most extreme case yet of the US president weaponizing trade policy to make unrelated demands.

The exchange with the South American nation suggests the U.S. president also sees trade as a tool to influence other policies of foreign countries.

"America will, once again, build a DOMINANT Copper Industry," Trump said in a post on his Truth Social media platform.

Live updates and the latest news as the Trump administration is expected to announce new trade actions and Pete Hegseth and Benjamin Netanyahu meet

U.S. President Donald Trump said on Tuesday the U.S. would "pretty soon" charge a 10% tariff on imports from BRICS countries, drawing another complaint from Brazil President Luiz Inacio Lula da Silva,

Trump’s tariffs and the fast-moving trade war continue to affect global markets. Follow along for live updates on the Dow, S&P 500 and Nasdaq.

After posting seven tariff letters earlier Wednesday, President Donald Trump said a couple more would come today and blasted Brazil's trade practices. In

US President Donald Trump announced a 50 percent tariff Wednesday targeting Brazil as he blasted the trial of the country's ex-leader, while widening a push to secure more bilateral trade