It would be a conflict because they would have to decide whether that state would be a slave state or a free state. And both sides were not willing to compromise because the power balance in congress would be broken depending on that state.
New england battled them nutz
Many consider July 4, 1863 to be the turning point of the American Civil War. Two important, famous, well-documented battles resulted in Confederate defeats: the Battle of Gettysburg (Pennsylvania), July 1-3, and the Fall of Vicksburg (Mississippi), July 4. However, two other major, lesser-known events resulted in two additional Confederate defeats. Both losses, one in Tennessee and one in Arkansas, were influenced by the Vicksburg Campaign.
Picketing in front of the White House is one thing they did