The Union forces lost the battle of Fredericksburg because the Army of the Potomac was to attack frontally the Confederates entrenched on high ground, having no sufficient terrain to manoeuvre in order to make weigh their superior number over the enemy.
It was an other example of the superiority of the fire against the attack, carried on by infantry masses in a Napoleonic style.
the union forces defeated the confederate forces
The Union forces
The Confederate forces defeated the Union forces.
The Union Forces won the Battle of Franklin.
the union forces won the battle of Shiloh
Union forces won the Battle of Shiloh thanks to reinforcements from Grant and Buell's army. Their arrival turned the battle and forced the Confederates to retreat.
The First Battle of Bull Run.
The First Battle of Bull Run
The First Battle of Bull Run.
U.S. Grant
Battle of Gettysburg
Yes, he was.