Tensions between the United States and Brazil have suddenly burst open. Brazil’s president promised to reciprocate against President Trump’s tariffs.

Brazilian President Luiz Inácio Lula da Silva says he will impose retaliatory tariffs on the United States if President Donald Trump follows through on a pledge to boost import taxes by 50%

"Any measure to unilaterally raise tariffs will be responded to in accordance with Brazil's Economic Reciprocity Law," Lula's office said in a statement. (Reporting by Ricardo Brito; Writing by Isabel Teles;