Complex sentence: He planned the reorganization of the Mines of Potosi, a reform of the University of Charcas and proclaimed the end of Indian slavery in Upper Peru, canceling the tutelage and giving them political rights as neighbors and equal to those of the Criollos.
Split into simpler sentences: He planned the reorganization of the Mines of Potosi, and a reform at the University of Charcas. He proclaimed the end of native slavery in the Upper Peru, canceling the tutelage and giving them political rights as neighbors, equal to those of the criollos.