This publication, clearly antifascist and above all provocative against the Estado Novo regime, brought her and her co-authors, called the "Three Marias" (Maria Velho da Costa, Maria Teresa Horta, and Maria Isabel Barreno) before a tribunal, until the Carnation Revolution, on 25 April 1974, ended their trial and interrupted the sanctions to which they had been subjected.
This publication, which was strongly anti-fascist and critical of the Estado Novo regime, led to her and her co-authors, known as the "Three Marias" (Maria Velho da Costa, Maria Teresa Horta, and Maria Isabel Barreno), being put on trial until the Carnation Revolution in 1974 brought an end to their proceedings and lifted the penalties they had faced.