The importance of legions for the foundation of the Roman Empire. The figure of the legionary in military life and its contribution to the civil public sphere

Abstract

The present study describes the important role of the Roman legions in the conquest, pacification and annexation of new territories to the Roman Empire. Said approaches proved to be a great tool to romanise these places. In order to give a broad vision over the military institution having a deep-rooted tradition an overview is made on the origin, evolution and purpose of the Roman army, the justification for the existence of a "ius militaris", the figure of the legionary, their role in the construction of military and public works, military urbanism and finally a brief exposition is made on the types of army existing in Rome.