400
At the first Battle of Bull Run:
a) the Confederacy won, thus dispelling a widespread belief in the North that the war would end quickly.
b) the Confederacy narrowly lost, thus dispelling the widespread belief in the North that the war would end quickly.
c) the Union won but suffered more casualties than initially anticipated, thus dispelling the widespread belief in the North that the war would end quickly.
d) the battle ended in a draw, thus dispelling the widespread belief in the North that the war would end quickly.
a) the Confederacy won, thus dispelling a widespread belief in the North that the war would end quickly.