Regional integration (RI) is a global phenomenon that has existed for a long time, its ultimate goal is the development of member countries. Several authors have tried to precisely develop this concept but have not been able to produce a universal definition of it. Indeed, its multidimensional character can take several forms, going from a simple creation of economic links between nations and even between individual units within a national economy, to a complex social phenomenon whose economic content is closely related to the political aspect. The same observation can be made with regard to the phases that this regional integration can take, which, according to economic theory, go from a free-trade zone characterized by the abolition of cu...