It was "B. Philippe de Vitry" who was a Medieval composer and was also a politician and author famous for his writings on music theory, since at the time not many people knew the fundamentals of such theory.
Hi there!
He was Robert Edward Lee.
It was an incredible battle! Lee, with his army weakened and morally dejected, withdrew with his troops without being disturbed by the also exhausted federal forces. The Battle of Gettysburg was an American Civil War battle, fought between July 1 and 3, 1863 around the town of Gettysburg, Pennsylvania, as part of the Gettysburg campaign. It was the battle with the most casualties in the United States.
They mostly grew wheat, barley, oats, rye, and corn. because of this, they were basically known as the "Breadbasket". So I believe your answer would most likely be wheat.