Question

What was the Pennsylvania battle that ended Lee's last hopes for achieving victory through invading the North?

Answer 1

The battle of Gettysburg fought between July 1 and July 3 1863

Explanation:

If Robert E. Lee and the Army of Northern Virginia had won the battle of Gettysburg it is very possible the Union would have had to sue for peace granting the Confederacy independence.

the first day of battle was a victory for the south. The Union army was forced off seminary ridge and the town of Gettysburg.