Magna Carta, which means 'The Great Charter', is one of the most important documents in history as it established the principle that everyone is subject to the law, even the king, and guarantees the rights of individuals, the right to justice and the right to a fair trial.
No because at the time the Union was already ahead in the war. Lincoln wanted to keep the Union as a whole with the passage of the 13th amendment it showed the Confederacy that they were already at a loss.
