History -- Economic conditions 3 Colonies -- 2 Politics and government -- 2 Civilization, Oriental 1 Civilization, Western 1 Colonies- -- 1 more ... Communism -- 1 Congresses -- 1 Economic conditions -- 1 Ethnic relations 1 Islam -- 1 Labor market -- 1 Mass media -- 1 Middle class -- 1 Nationalism -- 1 Plantation workers -- 1 Politics and government 1 Relations -- 1 Renaissance -- 1 Slave trade -- 1 Slavery -- 1 Social conditions 1 Social conditions -- 1 less ...