 Complete the following phrase:  At the end of March 1864, Douglas, through the intervention of General Benjamin Butler, was sent home, although not formally exchanged. On the southbound steamer were not only a number of properly exchanged officers and soldiers, but also one of President Lincolns sisters-in-law, who returned to Alabama with a special pass from the president. On parole, Douglas could go back to the army before being formally exchanged. It was not until the first day of the battle of the Wilderness that Douglas returned to the service, as assistant adjutant general AAG of General Edward Johnsons division, fighting at the 