The correct answers are: 2) He had so few men compared to the Union forces; 4) The enemy outnumbered him many times over.
In The Battle of Chancellorsville (1861-1865), Lee's army of 60,000 men faced an Union Army that doubled them in size. Lee decided to divide his army even when that meant a higher risk in losing, given the difference in numbers between said armies. Lee's right hand, Jackson, died of pneumonia on the battlefield. Even with these many things happening to his army, Lee won the battle.