sentences:  The agricultural and cattle production achieved such a development that allowed to send food towards the "pukaras" of the north.In 1541, the captain Pedro de Valdivia, his soldiers, "yanakuna" and Indians of service, entered to the basin of Mapocho river for the Inca way by the way that today occupies the Independence Avenue, Santiago de Chile of the city of Santiago de Chile, crossed Mapocho river, advanced five blocks and took possession of the principal buildings of this administrative center.Within one year, founded a Spanish city bigger than Inca that existed there with a Plaza de Armas initiating with this the Spanish Conquest.