 For the next two years, there were men always saddled and armed, ready to fight in case the Indians posed a threat to Spanish authority.This event meant a real setback for the conquest of the Chilean territory.The resistance of the Indians became daily stronger, and as the ship that he had constructed in Aconcagua was also destroyed by the natives, Valdivia sent in 1542 overland to Peru his lieutenant Alonso de Monroy with five followers to seek reinforcements, but, on account of the disturbance in that country in consequence of the defeat of El Mozo Almagro by Cristóbal Vaca de Castro, Monroy could not obtain much aid, and returned in September 1543, with only seventy horsemen, also sending by sea a vessel with provisions and ammunition to the port of Aconcagua.