Columbia subject headings:
Harvard subject headings:
Africa--Emigration and immigration--History--21st century.
Africa--Foreign relations--Europe.
Africans--European Union countries--History--21st century.
Europe--Emigration and immigration--Government policy
Europe--Foreign relations--Africa.
Migrations of nations
Princeton subject headings:
Africa--Emigration and immigration--History--21st century.
Africans--Europe--Social conditions--History--21st century.
Black people--Europe--Social conditions--History--21st century.
Europe--Emigration and immigration--History--21st century.
European Union countries--Emigration and immigration--Government policy.
Human smuggling--Africa.
Human smuggling--Europe.
Immigrants--Europe--History--21st century.