小题1:His mother.
小题2:In 1860.
小题3:Some of the Southern states quit from the Union and set up the Confederate States of America.
小题4:The North defeated the South in the war.
小题1:His mother.
小题2:In 1860.
小题3:Some of the Southern states quit from the Union and set up the Confederate States of America.
小题4:The North defeated the South in the war.