Before revision: Critical junctures and legacies Seymour Lipset and Stein Rokkan (1967) and Rokkan (1970) introduced the idea that big discontinuous changes, such as the reformation, the building of nations, and the industrial revolution , reflected conflicts organized around social cleavages, such as the center-periphery, state-church, land-industry, and owner-worker cleavages.
After revision: Critical junctures and legacies Seymour Lipset and Stein Rokkan (1967) and Rokkan (1970) introduced the idea that big discontinuous changes, such as the reformation, the building of nations, and the Industrial Revolution , reflected conflicts organized around social cleavages, such as the center-periphery, state-church, land-industry, and owner-worker cleavages.