Why was the union victory at the battle of gettysburg important?

It was the turning point in the Civil War, it gave the Union the motivation that was needed, since the South had won many battles. As well as motivation the Union was able to save the Northern cities from the Confederate seizure. It was Abraham Lincoln who best defined Gettysburg when he traveled there to deliver a speech at the dedication of the National Cemetery on November 19, 1863. His two-minute speech would go down in history as one of the most influential speeches, it also was the shortest. Many speeches at the time were hours long. His speech gave the Union a sense of purpose in fighting the Civil War.

should congress have the power to interpret the constitution? write a paragraph in which you argue for or against the wide application of the limplied power