The Battle of Gettysburg fought on July 1–3, 1863, was the turning point of the Civil War for one main reason: Robert E. Lee’s plan to invade the North and force an immediate end to the war failed. The collision of two great armies at Gettysburg put an end to that audacious plan.Click to see full answer. In this regard, why was the Battle of Gettysburg significant?The Battle of Gettysburg, fought in July 1863, was a Union victory that stopped Confederate General Robert E. Lee’s second invasion of the North. More than 50,000 men fell as casualties during the 3-day battle, making it the bloodiest battle of the American Civil War.Likewise, what was the purpose of the Gettysburg Address? He had three main purposes: To bring the country (especially the North) together, when it was divided by different views of the war, to reiterate his view of the purpose of the United States and to provide a direction for the future ‘soul’ of the United States. People also ask, why was the Battle of Gettysburg so important quizlet? July of 1863. Why was Gettysburg such an important battle for the fate of The United States of America? It was the turning point of the war because it forced General Lee and his army to begin a slow, defensive campaign of retreat to their home country for supplies and a fresh stock of soldiers.Why was the Battle of Gettysburg a great victory for the North?The battle of Gettysburg was a great victory for the North because the South losing almost gave them no chance in winning the war. It would give the North control of the Mississippi. How did Grant capture Vicksburg in May 1863? Grant’s siege forced the starving Confederates to surrender.