If the objective circumstances were as excellent as one thinks, and if the revolutionary movement couldn't capitalise on them, then it was the organisations, their leaderships, their militants who failed; or else there were internal traitors.
Si las circunstancias objetivas fueron tan excelentes como uno cree, y si el movimiento revolucionario no pudo capitalizarlas, entonces fueron las organizaciones, sus direcciones, sus militantes los que fallaron; o además hubo traidores internos.