 An example is Roa Bastos's "I, the Supreme", which depicts the 19th-century Paraguayan dictatorship of José Gaspar Rodríguez de Francia but was published at the height of Alfredo Stroessner's regime.Nunn writes that "novelists of the Boom themselves evinced a sophisticated grasp of their genre's ability to depict parallel and alternative history.And they actively participated in the cultural and political debates of the region that questioned the very meaning and worth of history."