El imperio incaico tenía una estructura social y política con acentuados rasgos de una organización tipo jefatura, asentada esencialmente en el sistema de parentesco. La expansión tuvo como consecuencia la concentración del poder en un solo jefe: el Inca, quien necesitaba liderar la expansión para poder así fundar su linaje que encargaba a uno de sus hijos. Así equilibraba las tensiones sociales entre la nobleza (panacas) y los guerreros (ayllus custodios), liderándolos al objetivo común de conquista.

This article describes the inka army, through the analysis of weapons, tactical organization, and command; thus, the objective of finding interrelations between inka warfare, social organization, and power. So, this is how through an explanation about the use and importance of the armament, we go to determine the order of the tactical formations based on the society configuration in ayllus and their space ideal distribution, so we can finally interpret the leadership of this organization, so that way establish a tight relation with the power structure, not only about the warfare but also about the religion and the administration. This allow us to understand social tension and conflict for the power, that were produced into the inka society at the beginning and at the end of a conquest campaign, and approximated to the use of the inka’s llaqtas as military centers related to the panakas...