This book will deal with arguments that analyze the Vatican policies of Francis, during the first seven years of his pontificate, in relation to some of the most urgent questions concerning humanity: migrants and refugees, the economy, and ecology. The logical choice of the time period for this work is given by Jorge Bergoglio's ascent to the "chair of St. Peter" until the end of 2019. That is why there is an interrelationship between history and the present, since it is written—in part—as his apostolic journeys, interventions, diplomatic actions, and discourses are carried out. To this is added an important quantity of writings of his authorship, as well as of some of his predecessors, in order to frame the question in a historically correct way and to understand his approach to issues of politics and international diplomacy, given his investiture as a religious and—at the same time—political leader