Minor debts, derisive remarks, a fight over a parking space, butting in line—these are the little things that nevertheless account for much of the violence in human society. But why? Roger V. Gould considers this intriguing question in Collision of Wills. He argues that human conflict is more likely to occur in symmetrical relationships—among friends or social equals—than in hierarchical ones, wherein the difference of social rank between the two individuals is already established.

This, he maintains, is because violence most often occurs when someone wants to achieve superiority or dominance over someone else, even if there is no substantive reason for doing so. In making the case for this original idea, Gould explores a diverse range of examples, including murders, blood feuds, vendettas, revolutions, and the everyday disagreements that compel people to act violently. The result is an intelligent and provocative work that restores the study of conflict to the center of social inquiry.

In this important contribution both to the study of social protest and to French social history, Roger Gould breaks with previous accounts that portray the Paris Commune of 1871 as a continuation of the class struggles of the 1848 Revolution. Focusing on the collective identities framing conflict during these two upheavals and in the intervening period, Gould reveals that while class played a pivotal role in 1848, it was neighborhood solidarity that was the decisive organizing force in 1871.

The difference was due to Baron Haussmann's massive urban renovation projects between 1852 and 1868, which dispersed workers from Paris's center to newly annexed districts on the outskirts of the city. In these areas, residence rather than occupation structured social relations. Drawing on evidence from trail documents, marriage records, reports of police spies, and the popular press, Gould demonstrates that this fundamental rearrangement in the patterns of social life made possible a neighborhood insurgent movement; whereas the insurgents of 1848 fought and died in defense of their status as workers, those in 1871 did so as members of a besieged urban community.

A valuable resource for historians and scholars of social movements, this work shows that collective identities vary with political circumstances but are nevertheless constrained by social networks. Gould extends this argument to make sense of other protest movements and to offer predictions about the dimensions of future social conflict.