Theories of European Integration Systematic Reflections

European integration is a process that involves and combines transferable competences, from the national to the supranational level, in order to create a form of cooperation, both political and economic, that will lead to a united Europe, respectively to the development and progress of the Union. European. This article aims to outline a clear picture of European integration from the perspective of theories that can be considered the systematic roots of the integration process. Within the scope of this paper, related to the research objective, was used both the analysis method and the comparative method. Of the theories of European integration, neofunctionalism, intergovernmentalism and constructivism remain the most important tools to understand why states decide to unite their destinies in order to achieve a united economic, political, social and cultural Europe.