Before and during the Civil War, Whitman stood firmly on the side of the North and wrote a series of poems incorporating his emotions and feelings during the period, which were gathered as a collection under the title of（）.
Before and during the Civil War, Whitman stood firmly on the side of the North and wrote a series of poems incorporating his emotions and feelings during the period, which were gathered as a collection under the title of（）.
A.Drum Taps
B.Leaves of Grass
C.Boy’ s Will
D.North of Boston
