Major General George G. Mead was in command of the Union Army of the Potomac at Gettysburg.
Confederate general Robert E. Lee led his army of Northern Virginia against Major union general Meade's Army of the Potomac in the Battle of Gettysburg.
General Alfred Pleasonton led the Union's Cavalry Corps under General Meade at the US Civil War Battle of Gettysburg. His commanders helped to protect the Union's flank on the last day of the battle.
Major General George G. Meade.
The Union was the North at the Battle of Gettysburg. The Army of the Potomac was the army on the field.
They all got drunk and danced about like panzies.
Meade commanded the Union forces. Lee led the Confederates.
Major General Alfred Pleasonton commanded the Union's cavalry corps at the Battle of Gettysburg. His cavalry commanders helped to win the Battle of Gettysburg for the Union.
Gettysburg was the place, not the opposing army.
The Union.
The Battle of Gettysburg Place where the battle was fought: Gettysburg, Pennsylvania.
The union won that battle.
The North (those againt slavery) were the Union throughout the Civil War, and including during the Battle of Gettysburg.