whEnABrAhAm linColn wAs ElECtED prEsiDEnt, thE southErn stAtEs BrokE AwAy AnD FormED A nEw nAtion CAllED ______.
A、thE southErn stAtEs oFAmEriCAB、thE FEDErAlist stAtEs oFAmEriCA
C、thEConFEDErAtE stAtEs oFAmEriCA
D、thEAnti-ConFEDErAtE stAtEs oFAmEriCA