An investigation carried out ostensibly to uncover subversive activities but actually used to harass and undermine those with differing views.
the aspect of counterintelligence designed to detect and prevent subversive activities.
If the warmongers are to make war, then they mustn't blame us for making revolution or engaging in "subversive activities" as they keep saying all the time.
One engaged in diversionary, disruptive, or subversive activities.
