1835-1910 19thcentury africanamericans africanamericansinliterature africanamericanstwain american authors authorsandreaders biography characters finn friendsandassociatestwain fugitiveslavesinliterature fugitiveslavestwain history historyandcriticism huckleberry(fictitiouscharacter) literatureandsociety mark politicalandsocialviewstwain racerelationsinliterature satire twain unitedstates