Explain why santayana's philosophy "those who cannot remember the past are condemned to repeat it" relates to literature in the civil war period.]

Realism, a  literary  movement associated with the end of the nineteenth century, has significant precedents  in  antebellumliterature. this  literature  invested the violence and trauma of thecivil war  with meaning. it americans on both sides of the conflict make sense of the  war  and its effects.