45. The passage refers to all of the following as necessary steps following the Civil War EXCEPT
（A） helping soldiers readjust
（B） restructuring industry
（C） returning government to normal
（D） increasing taxes
46. The word "task" in line 21 refers to
（A） raising the tax level
（B） sensible financial choices
（C） worse decisions about former slaves
（D） reconstruction of damaged areas
47. Why does the author mention a popular song in lines 30？
（A） To give attitude towards the South
（B） To illustrate the Northern love of music
（C） To emphasize the cultural differences between the North and the South
（D） To compare the Northern and Southern presidents
48. The word "them" in line 36 refers to
（A） charges
（B） leaders
（C） days
（D） irons
49. Which of the following can be inferred from the phrase " _____it was unlikely that a jury from Virginia . a Southern Confederate state ，would convict them" （lines 25-26）？
（A） Virginians felt betrayed by Jefferson Davis
（B） A popular song insulted Virginians
（C） Virginians were loyal to their leaders
（D） All of the Virginia military leaders had been put in chains.
50. It can be inferred from the passage that President Johnson pardoned the Southern leaders in order to
（A） raise money for the North
（B） repair the physical damage in the South
（C） prevent Northern leaders from punishing more Southerners
（D） help the nation recover from the war