I saw it as a Eastern viewer, knowing , directly, few crumbs of the last decade of Ceausescu regime. I saw it, too, as History teacher. And as one of familiars with the universe of Costa Gavras cinematographic work. It is a pure masterpiece , first for the high dose of truth. Second, for acting. Not the last, for the final part . In essence a try of exorcism. Brutal, honest, precise. Maybe useful.