sentences:  It was leaked to the press and provoked a brutal reaction by the Party's leadership and the Direction Bureau; any debate attempt was rejected while the document's authors, labelled as "traitors", were threatened with heavy political consequences.First worried by the public diffusion of the "manifesto" then more seriously intimidated by the Party leadership's reaction, a few of the signatories retracted their adhesion while others, who refused to do so, resigned.MP Antonio Giolitti left the following year, in 1957.