Republic of South Peru Peru and North Peru reverted to being a single Republic of Peru. The Peru-Bolivian Confederation was a plan that attempted to reunite the "Alto Perú" ("Upper Peru", now Bolivia) and "Bajo Perú" ("Lower Peru", now simply Peru) into a single political and economic entity. Marshal Andrés de Santa Cruz promoted an ambitious project to reunite these two territories on the basis of a confederacy. This integration was based not only on historical, cultural and ethnic reasons, but also on sound economic motives. The union was trying to restore the ancient commercial routes and promote a policy of open markets. As
First Upper Peru campaign richest cities of Upper Peru, an open cabildo calls Goyeneche to withdraw from their territory, which he obeys as he did not have military strength to prevail. The Bishop of La Paz, Remigio La Santa y Ortega, flees with him. Castelli is received in Potosí, where he required an oath of allegiance to the Junta and the surrender of the royalist generals Francisco de Paula Sanz and José de Córdoba y Rojas. He arranged that the operation to capture Vicente Nieto was carried out exclusively by the surviving patricians at the mines of Potosi, who had been incorporated with honors