 At first, Valdivia was successful in his efforts to deal benevolently with the native population, but this peaceful coexistence did not last long.One of the first orders that Valdivia gave was to have a ship constructed at the mouth of the Aconcagua River to send to Peru for further supplies and to serve as a courier service, but soon was obliged to return in haste to Santiago to subdue a mutiny.The Spaniards' greed quickly surfaced and overshadowed previous intentions when rumors of gold at the Marga Marga mines, in the vicinity of Valparaiso arose, and the settlers began forcing the natives to work there.