Columbia subject headings:
Africa--Emigration and immigration.
Africa--Social conditions.
Geopolitics--Africa.
Harvard subject headings:
Africa--Emigration and immigration.
Africa--Ethnic relations.
Immigrants--Africa--Social conditions.
Residential mobility--Africa--History.
Rural-urban migration--Africa.
Princeton subject headings:
Africa--Emigration and immigration--Social aspects--21st century.
Africa--Ethnic relations--21st century.
Africa--History--21st century.
Forced migration--Social aspects--Africa--21st century.
Migration, Internal--Africa--21st century.