Based on the updates from his subordinates, McClennan modified his plan and discontinued the attacks on the confederate defense lines. Instead, McClennan decided it was vital for his men to oversee their casualties, regroup, and prepare for the next phase of the battle. At this point of the battle, General McClennan determined he had the advantage over General Lee and his Army. However, President Lincoln considered this as a miss opportunity to strike and destroy the center of General Lees forces.
Through the help of his subordinate leaders, General McClennan understood the advantages and disadvantages of key terrain on the battlefield. By uncovering weak points of the confederate defenses, McClennan was effective in crippling majority of the confederate forces. Nevertheless, General McClennan failed to capitalize on the Union numerical advantage. By misusing his size and combat power, General McClennan allowed the confederate army to retreat just south of the