 Castelli and Saavedra were the most important leaders of the time, and first discarded Martín Rodríguez's plan to expel Cisneros in a coup d'état.After several discussions, they decided to request an open cabildo, an emergency popular assembly.Castelli and Belgrano negotiated with the senior alcalde and nobleman, Juan de Lezica, and the procurator, Julián de Leiva.