History of the Nineteenth Army Corps

by Richard B. Irwin

All this time Banks bore with him Halleck's instructions of the 9th of November, and more than once studied with care and solicitude these significant words: "As the ranking general in the Southwest you are authorized to assume the control of any military force from the upper Mississippi which may come within your command. The line of division between your department and that of Major-General Grant is, therefore, left undecided for the present, and you will exercise superior authority as far north as you may ascend the river." By the articles of war, without these words, Banks would have been entitled to the command they gave him, but the words showed him plainly what was expected of him by his government. To the incentives of patriotism and duty were thus superadded one of the most powerful motives that can affect the mind of the commander of an army,—the hope and assurance of power and promotion. If, then, he held back from joining Grant in Mississippi, it was because he hesitated to take the extraordinary risks involved in the movement. In this he was more than justified.

Since the miscarriage of Sherman's attempt at the beginning of the year, Grant had been engaged in a series of tentative efforts, steadily prosecuted in various directions, yet all having a common object, the finding of a foothold of dry ground for a decisive movement against Vicksburg. Four of these experimental operations had failed completely, and Grant was now entering upon a fifth, destined indeed to lead to a great and glorious result, yet in itself conveying hardly more assurance of success than the most promising of its predecessors, while involving perils greater than any that had been so far encountered. Of these, the greatest danger was that the enemy, after allowing him to land on the east bank of the river and to penetrate, with a portion of his army, into the heart of Mississippi, might then concentrate all the available forces of the Confederacy in that region and fall upon him with vigor at the moment when his supplies should be exhausted and his communications interrupted. In such an event the fortune of war might have rendered it imperative for him to retire down the river; but what would have happened then if Banks, disregarding Port Hudson in his eagerness to join Grant before Vicksburg, should in his turn have abandoned his communications? Both armies would have been caught in a trap of their own making, whence not merit but some rare stroke of luck could alone have rescued either.

In the strong light of the great and decisive victory of Vicksburg, it is scarcely possible to reproduce, even in the mind of the most attentive reader, the exact state of affairs as they existed at the moment of Grant's landing below Grand Gulf. This phenomenal success was not foreshadowed by any thing that had gone before it, and it would have been the height of imprudence to stake upon it the fate of two armies, the issue of an entire campaign, and the mastery of the Mississippi River, if not the final result of the war. Nor should it be forgotten that Grant himself regarded this movement as experimental, like its forerunners, and that up to the moment he set foot upon the soil of Mississippi, he had formed no conception of the brilliant campaign on which he was about presently to embark. But instead of concentrating and acting with instant determination upon a single plan with a single idea, at the critical moment the Confederates became divided in council, distracted in purpose, and involved in a maze of divergent plans, cross purposes, and conflicting orders. While events caused the Confederate leaders to shift from one plan to the other, with the chances of the day, Grant was prompt to see and quick to profit by his advantage, and thus the campaign was given into his hands.

But on the 4th of May these great events were as yet hidden in the unknown future, and when, after waiting thirteen days at Opelousas, Banks began his march on Alexandria, it was with the earnest hope of a speedy meeting of the two Union armies on the Mississippi; then came the cipher telegram to exalt this hope into a firm and just expectation of finding three weeks later an entire corps from Grant's army at Bayou Sara, and as Banks mounted his horse to ride toward the head of his column, it was with the fixed purpose of being with his whole force at the appointed place at the appointed time.

(1) "I sent several weeks ago for this class of steamers, and expected them before this. Should they arrive and Admiral Porter get his boats out of the Yazoo, so as to accompany the expedition, I can send a force of say 20,000 effective men to co-operate with General Banks on Port Hudson."—Grant to Farragut, March 23d; received by Banks, April 21st. The cipher message that followed seemed to Banks a confirmation of this.

CHAPTER XIV. ALEXANDRIA.

Every one was in high spirits at the prospect of meeting the Army of the Tennessee, and, to add to the general good-humor, just before quitting Opelousas two pieces of good news became known.

Grierson rode into Baton Rouge on the 2d of May at the head of his own 6th Illinois and Prince's 7th Illinois cavalry, together 950 horse. Leaving La Grange on the 17th of April, he had within sixteen days ridden nearly 600 miles around the rear of Vicksburg and Port Hudson and along the whole line of the Jackson and Great Northern railroad. Beside breaking up the railway and the telegraph, and destroying for the time being their value to the Confederate army, Grierson's ride had an indirect effect, perhaps even more important than the direct objects Grant had in view when he gave his orders. That the railway should be rendered useless for the movement of troops and supplies, and the telegraph for the transmission of orders and intelligence, was of course the essential purpose of the operation, yet no one could have foreseen the extent of the confusion that followed, aided by Grierson's rapid movements, amid the fluttering and distracted councils at Vicksburg. Thus it happened that, when he heard of Grant's landing below Grand Gulf, Pemberton actually thought himself menaced by the advance of Banks, and this misapprehension was the parent of the first of those mistakes of his adversary of which Grant made such good use.

Lieutenant Sargent,(1) the aide-de-camp sent to communicate with Admiral Farragut, as stated in the last chapter, found at the mouth of the Red River Admiral Porter, with the gunboats Benton, Lafayette, Pittsburg, and Price, the ram Switzerland, and the tugboat Ivy, with which he had run the batteries of Vicksburg in preparation for Grant's movement. Porter brought, indeed, no despatches, but he brought the great news that Grant had secured his landing at Grand Gulf and had begun his victorious march on Vicksburg. When Sargent returned to headquarters at Opelousas, he brought with him a despatch from Porter, promising to meet the army at Alexandria.

Banks had already broken up the depots at Barré's Landing and New Iberia. On the afternoon of the 4th of May, he set Dwight in motion from his advance post at Washington. Weitzel marched from Opelousas at five o'clock the same afternoon, and Emory's division under Paine followed on the morning of the 5th. Emory, who had been suffering for some weeks, had at last consented to obey his surgeon's orders and go to New Orleans for a brief rest. Grover followed from Barré's Landing early in the afternoon of the same day. Banks himself remained at Opelousas until early in the morning of the 6th, having waited to receive and answer the translation of the cipher telegram from Grant; then he rode forward rapidly and joined his troops near Washington. From this time the communications of the army were to be by the Atchafalaya and the Red River.