RIO DE JANEIRO — Brazil requested consultations at the World Trade Organization over tariffs imposed by U.S. President Donald Trump against the South American nation that went into effect on Wednesday.

Trump has directly tied the 50% tariff on many imported Brazilian goods to the judicial situation of his embattled ally, former President Jair Bolsonaro, who is currently under house arrest.

"The United States has flagrantly violated key commitments the country has agreed upon at the WTO, such as the principle of the most favored nation and tariff ceilings negotiated at that organization,” Brazil's foreign ministry said in a statement.

The most favored nation principle is a cornerstone of Geneva-based WTO, whose aim is to get countries to respect trade agreements. The principle directs it

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