Social classes Caste 45 India 17 Social change 12 Equality 11 Social stratification 11 Social conditions 10 History 8 Power (Social sciences) 8 Capitalism 7 Group identity 7 Social conflict 7 Social movements 7 Sociology 7 Peasants 6 Politics and government 6 Social mobility 6 Social structure 6 Communism 5 Sex discrimination against women 5 Social aspects 5 Political activity 4 Social status 4 Socialism 4 Communism and agriculture 3 Families 3 Government 3 Kinship 3 Male friendship 3 Nationalism 3