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 on Wednesday urged the U.S. to respond to a trade proposal submitted in May, reaffirming its openness to a "mutually acceptable" deal after U.S. President Donald Trump announced a 50% tariff on Brazilian goods starting in August.

The prices of coffee and orange juice could be impacted if no trade agreement is reached by the deadline. Tariffs could also contribute to higher beef prices.