President Trump will restore steel and aluminum tariffs on Brazil and Argentina because the countries "have been presiding over a massive devaluation of their currencies," he said in a Monday tweet. This "is not good for our farmers," Trump said, while also pushing the Federal Reserve to "likewise act" so other countries can "no longer take advantage of our strong dollar." The unexpected announcement mirrors Trump's previous spur-of-the-moment tariff revelations, seeing as it came with no explanation of when and how the tariffs would roll out. Brazil's President Jair Bolsonaro declined to comment on the announcement until he talked to his economic minister, though said "if needed," he could "also talk to Trump."

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