Title: Convergence or divergence?
Subjects: Social change, Social evolution, Social conditions, Conditions sociales, Social history, Évolution sociale, Développement social, Changement social, Histoire sociale, SOCIAL SCIENCE, General, Sociology, Industriegesellschaft, Sozialer Wandel, Trend, Sociale verandering, Sociaal-economische ontwikkeling, United states, social conditions, 1960-, United states, social conditions, 1980-, United states, social conditions, Statistics, Economic conditions