1809-1865 19thcentury 352b abraham autobiography bereavement biography christianityandpolitics civilwarperiod(1850-1877) death dying family grief headsofstate history lincoln oratorylincoln philosophylincoln politicalandsocialviews politicalandsocialviewslincoln presidents psychologicalaspects psychology psychologylincoln relationships religion religiouslife socialaspects socialscience unitedstates writingskilllincoln