original_query: What efforts did Davis and her husband make to secure his release?
query: What efforts did Varina Davis and Jefferson Davis make to secure Jefferson Davis's release from prison?
answer: After the war, Varina Davis worked tirelessly to secure her husband's release from prison, writing articles and a book about his confinement to garner public sympathy and influence opinion in his favor.  She was eventually allowed to correspond with him and later join him in his prison cell.