Trump twinned his threat to Brazil with the promise of a 50% tariff on copper, which would strike at the economic lifeline of two more Southern neighbors, Chile and Peru. The president capped his week by setting a 30% tariff on Mexican imports as of Aug. 1.

Approval for Brazilian President Luiz Inacio Lula da Silva's government rose for the first time this year, a new poll showed on Wednesday, after his U.S. counterpart Donald Trump announced a 50% tari...

Brazil also expressed "indignation" at the planned increase in tariffs from 10% to 50% on its exports to the United States, warning of a "very negative" impact on both economies.