Tras los pasos de la muerte. Mortandad en Tacna durante la Guerra del Pacífico, 1879-1880

The article analyzes the presence of the Peru-Bolivian armies in the city of Tacna during the War of the Pacific. The social, economic and health scenarios experienced by soldiers, women, children and settlers are discussed to propose an alternative that considers the multiplicity of factors that decided the outcome of the battle of the Campo de Alianza, fought in the vicinity of the city on May 26, 1880. The study of the social and salubrious conditions examines the magnitude of the mortality generated by the increase of the population that was part of the experience lived by the group of actors involved and that contributed, in part, to the defeat of allies on the battlefield.