Keywords: BELGIUM ; ETHNIC AND RACIAL GROUPS ; Emigration et immigration - politique gouvernementale - Europe ; FRANCE ; GERMANY ; IMMIGRATION POLICY ; MINORITIES ; NETHERLANDS ; SWEDEN ; TERRITORIAL ASYLUM ; UNITED KINGDOM ; WESTERN EUROPE ; Einwanderer ; Migration ; Minderheit ; Politik ; Acculturation ; Immigrants Government policy ; Minorities Government policy ; Einwanderung ; Europa ; Europe Emigration and immigration ; Government policy ; Europa ; Europa ; Einwanderung