What describes the Rio de la Plata

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Explanation:

Rio de la Plata is the muddy estuary of the Paraná and Uruguay Rivers, and forms part of the border between Argentina and Uruguay. The rich estuary supports both capital cities of Buenos Aires and Montevideo. The Paraná is South America's second longest river, and drains much of the southeastern part of the continent

there is no image for me to refer

during the ming dynasty