Slave labor History 41 Slavery 32 Forced labor 12 Indentured servants 11 Economic conditions 9 Prostitution 9 espandi ... Social conditions 9 Enslaved persons 7 Slave trade 7 Emigration and immigration 6 Race relations 6 Agricultural laborers 5 Economic aspects 5 Employment 5 Labor 5 Labor supply 4 Plantation life 4 Poor 4 Social aspects 4 Sugarcane industry 4 African diaspora 3 Black people 3 Emancipation 3 Female prostitution 3 Foreign workers, African 3 Foreign workers, Chinese 3 History and criticism 3 Revolutionary literature, Cuban 3 Sugar trade 3 riduci ...