Questions for Romanzo di una strage (Novel of a massacre)

While watching Romanzo di una strage, please

1. Take a note of what you do not understand and on what you would like to comment on.
2. Try to identify and follow law enforcement officers, anarchists, neofascists, politicians, magistrates, journalists. What are the relations between these groups?
3. By what means is the historical and socio-cultural context reconstructed? In what ways do "the strategy of tension" and "the historical compromis" play out in the film?
4. What situations or aspects of the film evoke and illuminate Pasolini's article ("I know," originally titled "Romanzo di una strage"?)