Many other bands of Mapuche also became involved in the internal conflicts of Argentina until the Conquest of the Desert. In the 1870s, to counter the cattle raids (and the native peoples on horseback), Argentina constructed a deep trench, called Zanja de Alsina, to prevent cattle from being driven west and establish a boundary to the raiding tribes in the pampas.
This situation led to other Mapuche groups becoming entangled in Argentina's internal power struggles until the Conquest of the Desert. In the 1870s, to counter cattle incursions (and native peoples on horseback), Argentina built a deep trench, called Zanja de Alsina, to impede cattle from being driven west and establish a boundary to contain the raiding tribes in the pampas.