19thcentury acculturation africanamericans afro-americans américainsd'origineirlandaise assimilatie(sociologie) assimilation(soziologie) biography civilization culturalassimilation deutsch deutschunterricht discriminatie ethnicrelations germanliterature germany gymnasium history ieren immigranten intellectuallife intellectuals irish irishamericans kanon literatur nationalcharacteristics negers noirsaméricains politicsandgovernment politiqueetgouvernement quelle raceidentity racerelations rassenbeziehung relationsinterethniques relationswithirishamericans sources studyandteaching unitedstates