What battle during the civil war is considered the turning point when it became clear that the north would win?

What battle during the civil war is considered the turning point when it became clear that the north would win?|||Homework?|||Vicksburg. Although Gettysburg is more familiar it had no strategic value while Vicksburg gave the Union control of the Mississippi River, splitting the Confederacy in two and knocking out a major supply line.|||It was Gettysburg. After this battle the South never invaded the North again. The lose of men was huge on both sides, total was 50,000. This was also the one of the first times that Gatling guns were used.|||Gettysburg. After the Confederate defeat at Gettysburg, the South never again ventured into Northern territory and were on the defensive until the end.|||Gettysburg, some could argue Antietam, but historically Gettysburg is recognized as the turning point.|||Gettysburg and Battle of Vicksburg since it took place at about the same time