the union won.
it would give the Union control of the Mississippi river
Individual's Incomes
He called for additional troops and put general George B. McClellan in command.
Mathew Brady was a photographer during the Civil War. He and 20 photographers went out to document the long battle and other events that took place during those battles.
The south
The town lay on high cliffs that were defended with heavy artillery.
That is a rather lengthy and involved answer. This contains a good summary of the battle: https://en.wikipedia.org/wiki/Second_Battle_of_Bull_Run