Sherman, after the capture, at once had the debris cleared up, commencing the work by removing the piling and torpedoes from the river, and taking up all obstructions. He had then intrenched the city, so that it could be held by a small garrison. By the middle of January all his work was done, except the accumulation of supplies to commence his movement with.
He proposed to move in two columns, one from Savannah, going along by the river of the same name, and the other by roads farther east, threatening Charleston. He commenced the advance by moving his right wing to Beaufort, South Carolina, then to Pocotaligo by water. This column, in moving north, threatened Charleston, and, indeed, it was not determined at first that they would have a force visit Charleston. South Carolina had done so much to prepare the public mind of the South for secession, and had been so active in precipitating the decision of the question before the South was fully prepared to meet it, that there was, at that time, a feeling throughout the North and also largely entertained by people of the South, that the State of South Carolina, and Charleston, the hot-bed of secession in particular, ought to have a heavy hand laid upon them. In fact, nothing but the decisive results that followed, deterred the radical portion of the people from condemning the movement, because Charleston had been left out. To pass into the interior would, however, be to insure the evacuation of the city, and its possession by the navy and Foster's troops. It is so situated between two formidable rivers that a small garrison could have held it against all odds as long as their supplies would hold out. Sherman therefore passed it by.
By the first of February all preparations were completed for the final march, Columbia, South Carolina, being the first objective; Fayetteville, North Carolina, the second; and Goldsboro, or neighborhood, the final one, unless something further should be determined upon. The right wing went from Pocotaligo, and the left from about Hardeeville on the Savannah River, both columns taking a pretty direct route for Columbia. The cavalry, however, were to threaten Charleston on the right, and Augusta on the left.
On the 15th of January Fort Fisher had fallen, news of which Sherman had received before starting out on his march. We already had New Bern and had soon Wilmington, whose fall followed that of Fort Fisher; as did other points on the sea coast, where the National troops were now in readiness to co-operate with Sherman's advance when he had passed Fayetteville.
On the 18th of January I ordered Canby, in command at New Orleans, to move against Mobile, Montgomery and Selma, Alabama, for the purpose of destroying roads, machine shops, etc. On the 8th of February I ordered Sheridan, who was in the Valley of Virginia, to push forward as soon as the weather would permit and strike the canal west of Richmond at or about Lynchburg; and on the 20th I made the order to go to Lynchburg as soon as the roads would permit, saying: "As soon as it is possible to travel, I think you will have no difficulty about reaching Lynchburg with a cavalry force alone. From there you could destroy the railroad and canal in every direction, so as to be of no further use to the rebellion. * * * This additional raid, with one starting from East Tennessee under Stoneman, numbering about four or five thousand cavalry; one from Eastport, Mississippi, ten thousand cavalry; Canby, from Mobile Bay, with about eighteen thousand mixed troops—these three latter pushing for Tuscaloosa, Selma and Montgomery; and Sherman with a large army eating out the vitals of South Carolina—is all that will be wanted to leave nothing for the rebellion to stand upon. I would advise you to overcome great obstacles to accomplish this. Charleston was evacuated on Tuesday last."
On the 27th of February, more than a month after Canby had received his orders, I again wrote to him, saying that I was extremely anxious to hear of his being in Alabama. I notified him, also, that I had sent Grierson to take command of his cavalry, he being a very efficient officer. I further suggested that Forrest was probably in Mississippi, and if he was there, he would find him an officer of great courage and capacity whom it would be difficult to get by. I still further informed him that Thomas had been ordered to start a cavalry force into Mississippi on the 20th of February, or as soon as possible thereafter. This force did not get off however.
All these movements were designed to be in support of Sherman's march, the object being to keep the Confederate troops in the West from leaving there. But neither Canby nor Thomas could be got off in time. I had some time before depleted Thomas's army to reinforce Canby, for the reason that Thomas had failed to start an expedition which he had been ordered to send out, and to have the troops where they might do something. Canby seemed to be equally deliberate in all of his movements. I ordered him to go in person; but he prepared to send a detachment under another officer. General Granger had got down to New Orleans, in some way or other, and I wrote Canby that he must not put him in command of troops. In spite of this he asked the War Department to assign Granger to the command of a corps.