A major consequence of the Union victory at Gettysburg was Diminished Confederate ability to wage offensive campaigns.

The defeat resulted in substantial losses for Lee's Army of Northern Virginia, greatly diminishing its manpower and resources. This setback represented a pivotal moment in the Civil War, as the Confederacy found it increasingly difficult to sustain its momentum. Additionally, the loss hindered Confederate efforts to launch further invasions into the North, altering the strategic balance in favor of the Union. The victory uplifted Northern morale and strengthened the resolve to persist in the fight until the Confederacy was finally overcome.