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.

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.