The third and concluding volume on social theory, applying distinctive methodology to case of twentieth-century England.The concluding volume of W.G. Runciman's trilogy on social theory applies his theory and methodology to the case of twentieth-century English society, showing how England's capitalist mode of production, liberal mode of persuasion, and democratic mode of coercion evolved in the aftermath of World War I from what they had been since the 1880s, yet not significantly following World War II. The explanation demonstrates that some economic, ideological and political practices were favoured over others in an increasingly complex environment, neither predictable not controllable by policy-makers.The concluding volume of W.G. Runciman's trilogy on social theory applies his theory and methodology to the case of twentieth-century English society, showing how England's capitalist mode of production, liberal mode of persuasion, and democratic mode of coercion evolved in the aftermath of World War I from what they had been since the 1880s, yet not significantly following World War II. The explanation demonstrates that some economic, ideological and political practices were favoured over others in an increasingly complex environment, neither predictable not controllable by policy-makers.The concluding volume of W.G. Runciman's trilogy on social theory applies his theory and methodology to the case of twentieth-century English society. He shows how England's capitalist mode of production, liberal mode of persuasion, and democratic mode of coercion evolved in the aftermath of World War I from what they had been since the 1880s, yet did not evolve significantly following World War II. His explanation demonstrates that some economic, ideological and political practices were favored over others in an increasingly complex environment, neither predictable nor controllable by policymakers.1. Introduction: the case of twentieth-century England; 2. The case reported; 3l3