As criminals and Communists have known for years, and which this article from the Chronicle of Higher Education explores:

An excerpt.

Humans, and perhaps their prehuman ancestors, have engaged in murder and mayhem, as individuals and in groups, for hundreds of thousands of years. And, at least since the advent of recorded history, violence and politics have been intimately related. Nation-states use violence against internal and external foes. Dissidents engage in violence against states. Competing political forces inflict violence on one another. Writing in 1924, Winston Churchill declared—with good reason—that “the story of the human race is war.”

Some writers see violence as an instrument of politics. Thomas Hobbes regarded violence as a rational means to achieve such political goals as territory, safety, and glory. Carl von Clausewitz famously referred to war as the continuation of politics by other means. A second group of writers view violence as a result of political failure and miscalculation. The title of an influential paper on the origins of the American Civil War by the historian James Randall, “The Blundering Generation,” expresses that idea. A third group, most recently exemplified by the Harvard psychologist Steven Pinker, regards violence as a pathological behavior that is diminishing in frequency with the onward march of civilization. Some proponents of that perspective have even declared that violence is essentially a public-health problem. Whatever their differences, each of these perspectives assigns violence a subordinate role in political life.

But there is an alternative view, one that assigns violence a primary role in politics. This outlook is implied by Mao Zedong’s well-known aphorism that political power “grows out of the barrel of a gun.” Violence, in other words, is the driving force of politics, while peaceful forms of political engagement fill in the details or, perhaps, merely offer post-hoc justifications for the outcomes of violent struggles. Mao corrected Clausewitz by characterizing politics as a sequel to or even an epiphenomenon of violence—a continuation of violence by other means.

Unfortunately, Mao seemed to have an inordinate fondness for bloodshed. After all, he suggested that the quality of a revolutionary should be judged by the number of people he has killed. Yet our revulsion at Mao’s practices should not blind us to the accuracy of his observation. Violence and the threat of violence are the most potent forces in political life.