at the start of the battle of Gettysburg, the union army
Adrove the confederates out of Pennsylvania
Bwas forced into a defensive position
Cbroke through the confederate army's line
Dfought the confederate army to a stand off
Adrove the confederates out of Pennsylvania
Bwas forced into a defensive position
Cbroke through the confederate army's line
Dfought the confederate army to a stand off