algonquianindians algonquiens american ethnicstudies expansionterritoriale general governmentrelations histoire history nativeamericanstudies ojibwa(indiens) ojibwaindians ottawaindians politicsandgovernment potawatomi(indiens) potawatomiindians racerelations raciallymixedpeople relationsavecl'état relationsraciales settlercolonialism socialscience territorialexpansion traités treaties unitedstates