A PCOG can be control over a nation's security forces. If there is chaos in the street, and the government in power loses control of its ability to impose control, then it will likely fall. We saw this play out during the Arab Spring, and the different outcomes between those who did and didn't. Kilcullen describes how terrorists wage political warfare through competitive control. They create chaos and a great deal of uncertainty, and then establish a new form of governance that reduces uncertainty. The communists did a form of this. Not all forms of political warfare are non-violent. What makes it political warfare is the objective.