some of the aboriginal airs of the interior of Africa,modernized if not hummanized in the slave states of the Union,and adapted to ears polite.
若是没有联盟（我觉得这里应该是殖民国家）的奴隶制，那些从非洲来的土著气息将会变得”“文明”（这里挺讽刺的）和更易被文明接受。