History 31 Economic conditions 9 Social conditions 7 Slavery 6 Women 4 Capitalism 3 Communism 3 更多 ... Economics 3 Politics and government 3 Sex customs 3 Sexual ethics 3 Socialism 3 Antislavery movements 2 Commerce 2 Economic integration 2 Environmental aspects 2 Feminism 2 Historiography 2 Influence 2 Intellectual life 2 Military religious orders 2 Nobility 2 Slave trade 2 Social aspects 2 Social conflict 2 Social history 2 Social psychology 2 State, The 2 Women's rights 2 Agricultural laborers 1 少 ...