What challenges are posed for building analytical frameworks and empirical studies on regional integration processes in the South? The authors aim to contribute to this debate by producing a detailed empirical analysis of Brazil’s foreign policy regarding the Southern Common Market (Mercosur) and South American regional integration. From a theoretical-methodological standpoint, the authors introduce an important innovation in this work, with a multilevel analysis of the Mercosur regional integration process, looking into the domestic, regional, and systemic levels. […] Is […]