関連のトピックス ...
関連のトピックス ...
- History 30
- Population
- Migration, Internal 8
- African Americans 6
- Migrations 6
- Social conditions 6
- Economic conditions 4
- Emigration and immigration 4
- Ethnology 4
- Race relations 4
- Acculturation 2
- Demographic transition 2
- Demography 2
- Ethnic relations 2
- Ethnicity 2
- Famines 2
- Food supply 2
- Government policy 2
- Irish 2
- Jews 2
- Migrant labor 2
- Minorities 2
- Natural resources 2
- Overpopulation 2
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