... When he crossed the Rapidan the Army of the Potomac numbered 115,000 men; during the forty-three days campaign reinforcements were received amounting to 40,000 men more. When the army crossed the James River , it was 116,000 strong, almost exactly the same strength as at the beginning of the campaign. Thirty-nine thousand men had been lost in forty-three days. A yet greater loss must have been incur...