The defeat of Bartlismo in Puebla Diego Martín Velázquez Caballero Political transfugismo has undermined the structure of political parties to promote factionalism and cliques as protagonists of the dispute for power. In Puebla, this phenomenon has characterized the electoral alternations and realignments from the Auxiliary Boards to the Executive Power. Factionalism was regularized by the existence of the Official Party (PRI), as soon as its institutionalization and cohesion weakened, personalisms resurfaced and began to recover their influence and hegemony to the detriment not only of the State Party but of government and social institutions. Avilacamachismo has become one of the preponderant factionalisms in the entity, it is configured as a cacicazgo but it is also a social muégano that involves people, communities, intermediate bodies, educational and religious systems as well as public entities. During PRIATO's trajectory, presidents Adolfo Ruiz Cortínez, Luis Echeverría and