…een working for most of its modern history to perfect its means of disrupting and destabilizing the United States, that its principles of doing so revolve around taking advantage of emotion, and that Facebook and …
Your sentence is just as effective AND TRUE if you put Russia or China or many other item like the EU or the Eurozone, etc., in the place of USA, and then the geopolitical player is the USA and the CIA and . . . the list is long of institutions that only do that in the USA.
I repeat: they are just good students and we only get what we sowed. I must admit that they are quite good at it, and yet they are not the only player in that game.