Poor communication, green, untrained troops.
The First Battle of Bull Run.
The Union was attacked by the Confederates first, starting the Battle of Bull Run. :)
CONFEDERATES won
The Confederates.
The first pitched battle won by the Confederates was that of First Bull Run.
the first battle of the civil war , & the confederates victory
If you mean who was "victorious" at The First Battle of Bull Run, it was the Confederates lead by Stonewall Jackson.
At the battle of First Bull Run the Confederates captured about 1,000 prisoners.
The Confederates
At the Battle of First Bull Run 1,011 Federals and 1,582 Confederates were wounded.
In the first battle at Bull Run (1861), gen. McDowell for the Union and gen. "Stonewall" Jackson for the Confederates. In the second battle at Bull Run (1862), gen. Pope for the Union and again gen. 'Stonewall' Jackson for the Confederates.
Confederates