The general grant (us army) occupied the town first and ended all chances for the confederates to use the rail-rod there for a quick invasion of the north at Battle of Gettysburg.
The Battle of Gettysburg is a battle by Union and Confederate forces around and in Gettysburg, Pennsylvania, during the American Civil War. The battle ended in victory for Union and stopped the Confederate plan to invasion of North.
Battle of Gettysburg lasted for three very hard day. The why Confederate want to invasion of North is because their lack of supplies due the Anaconda Plan that stifling trade.
In the end, the Union Major General George can defeated the attack from Confederate General Lee, and then the Confederate power slowly decrease causes their lose in war.
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