27 Which of the following had a great demand in Great Britain after the Civil War?
(A)Southern money
(B)Signatures of George Washington and Ben Franklin
(C)Southern manuscripts and letters
(D)Civil War battle plans

Robert Spring, a 19th century forger偽造者, was so good at his profession that he was able to make his living for 15 years by selling false signatures簽名 of famous Americans. Spring was born in England in 1813 and arrived in Philadelphia in 1858 to open a book store. At first he prospered人或企業）成功；（尤指經濟上）繁榮 by selling his small but genuine collection of early U.S. autographs（名人的）親筆簽名. Discovering his ability at copying handwriting, he began imitating模仿，仿效 signatures of George Washington and Ben Franklin and writing them on the title pages of old books. To lessen the chance of detection察覺；發現, 偵破, he sent his forgeries to England and Canada for sale and circulation循環. Forgers偽造者 have a hard time selling their products. A forger偽造者 can’t approach a respectable buyer but must deal with people who don’t have much knowledge in the field領域； 範圍. Forgers偽造者 have many ways to make their work look real. For example, they buy old books to use the aged paper of the title page, and they can treat paper and ink with chemicals. In Spring’s time, right after the Civil民用的；平民的 War, Britain was still fond of the Southern states, so Spring invented創造, 發明 a respectable maiden lady known as Miss Fanny Jackson, the only daughter of General “Stonewall” Jackson. For several years MissFanny’s financial problems forced her to sell a great number of letters and manuscripts手稿；原稿 belonging to her famous father. Spring had to work very hard to satisfy the demand. All this activity did not prevent阻止，妨礙；預防 Spring from dying in poverty貧困，貧窮, leaving sharp-eyed experts the difficult task of separating his forgeries from the originals.