 However, this law was never enforced and ceased to be valid when the 1979 constitution became effective, according to which Quechua and Aymara are official only where they predominate, as mandated by law – a law that was never enacted.Peruanismo was also characterized by authoritarianism, as the administration grew away from tolerating any level of dissent, periodically jailing, deporting and harassing suspected political opponents and repeatedly closing and censoring broadcast and print news media, finally expropriating all of the newspapers in 1974 and sending the publishers into exile.A cornerstone of Velasco's political and economic strategy was the implementation by dictate of an agrarian reform program to expropriate farms and diversify land ownership.