1865-1945 1889-1945 1945- 20thcentury adolf american americannationalcharacteristics aspectpsychologique casestudies causes collectivememory conditionssociales crises crises(aspectospsicológicos) crises(sciencessociales) general germany histoire historiography historischesereignis history históriadosestadosunidos hitler holocaust jewish(1939-1945) kollektivesgedächtnis local memory memória(aspectossociais) mémoirecollective natievorming nationaal-socialisme nationalcharacteristics nationalsocialism philosophy politicalculture politiekecrises politiekecultuur psychischestrauma psychologicalaspects psychologicalaspectsofcrises socialaspects socialaspectsofmemory socialconditions state unitedstates étudesdecas