United Provinces of the Río de la Plata

…was named capital of the United Provinces of the Río de la Plata. The more distant provinces of the former viceroyalty—Bolivia, Uruguay, and Paraguay—refused to become part of a new country dominated by the port city, however. For nearly 30 years the provinces were held together by federalism, which meant…

…the former Viceroyalty of the Río de la Plata, however, encountered grave difficulties in the years after 1810. Central authority proved unstable in the capital city of Buenos Aires. An early radical liberal government dominated by Mariano Moreno gave way to a series of triumvirates and supreme directors. More troubling…

…under the name of the United Provinces of the Río de la Plata.

…the viceroyalty was renamed the United Provinces of the Río de la Plata, but the junta remained unable to solidify control over its vast territories in the face of internal anarchy and royalist attempts at reconquest.