When they volunteered the government had only called for ninety days' enlistments. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.
Voluntary enlistments had ceased throughout the greater part of the North, and the draft had been resorted to to fill up our ranks. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.