 It had support from various artists, among whom Rodolfo Walsh, author of the "Program of 1st of May" of the CGTA and chief editor of its weekly.The CGTA was also close to the clerical "Movimiento de Sacerdotes para el Tercer Mundo", a group of priests close to the Liberation Theology, forming one of the first model of Neoperonism.The CGTA supported the more radical unions' branches (ports, oil, sugar industry, etc.