a) OF and SE imply, necessarily, prior and continuing CO.
b) OF = directly applied state terrorism by the United States repressive apparatus i.e. the Departments of War/Defense, Energy, Treasury, and State. N.B. the formation of the National Security Council (1947) and the Office of Homeland Security (2002).
c) CO = reconnaissance, classical coups d’etat, legal harassment, disinformation (through media, legal, NGO, student, labor, and other front groups), bribery, sabotage, assassination, proxy warfare, running ratlines for fascist émigré groups, and assorted other clandestine activities.