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3.30 p.m. A final stand was made by McDowell along Young’s Branch; and there, at half-past three, a line of battle was once more established, the battalion of regular infantry forming a strong centre. But another Confederate brigade, under General Early, had now arrived, and again the enemy’s right was overthrown, while Beauregard, leaving Jackson, whose brigade had lost all order and many men in its swift advance, to hold the plateau, swept forward towards the Matthews Hill. The movement was decisive. McDowell’s volunteers broke up in the utmost confusion. The Confederate infantry was in no condition to pursue, but the cavalry was let loose, and before long the retreat became a panic. The regular battalion, composed of young soldiers, but led by experienced officers, alone preserved its discipline, moving steadily in close order through the throng of fugitives, and checking the pursuing troopers by its firm and confident bearing. The remainder of the army dissolved into a mob. It was not that the men were completely demoralised, but simply that discipline had not become a habit. They had marched as individuals, going just so far as they pleased, and halting when they pleased; they had fought as individuals, bravely enough, but with little combination; and when they found that they were beaten, as individuals they retreated. “The old soldier,” wrote one of the regular officers a week later, “feels safe in the ranks, unsafe out of the ranks, and the greater the danger the more pertinaciously he clings to his place. The volunteer of three months never attains this instinct of discipline. Under danger, and even under mere excitement, he flies away from his ranks, and hopes for safety in dispersion. At four o’clock in the afternoon of the 21st there were more than 12,000 volunteers on the battle-field of Bull Run who had entirely lost their regimental organisation. They could no longer be handled as troops, for the officers and men were not together. Men and officers mingled together promiscuously; and it is worthy of remark that this disorganisation did not result from defeat or fear, for up to four o’clock we had been uniformly successful. The instinct of discipline which keeps every man in his place had not been acquired. We cannot suppose that the enemy had attained a higher degree of discipline than our own, but they acted on the defensive, and were not equally exposed to disorganisation.”[[9]]

“Cohesion was lost,” says one of McDowell’s staff; “and the men walked quietly off. There was no special excitement except that arising from the frantic efforts of officers to stop men who paid little or no attention to anything that was said; and there was no panic, in the ordinary sense and meaning of the word, until the retiring soldiers, guns, waggons, Congressmen and carriages, were fired upon, on the road east of Bull Run.”[[10]]

At Centreville the reserve division stood fast; and the fact that these troops were proof against the infection of panic and the exaggerated stories of the fugitives is in itself strong testimony to the native courage of the soldiery.

A lack of competent Staff officers, which, earlier in the day, had prevented an advance on Centreville by the Confederate right, brought Johnston’s arrangements for pursuit to naught. The cavalry, weak in numbers, was soon incumbered with squads of prisoners; darkness fell upon the field, and the defeated army streamed over the roads to Washington, followed only by its own fears.

Why the Confederate generals did not follow up their success on the following day is a question round which controversy raged for many a year. Deficiencies in commissariat and transport; the disorganisation of the army after the victory; the difficulties of a direct attack upon Washington, defended as it was by a river a mile broad, with but a single bridge, and patrolled by gunboats; the determination of the Government to limit its military operations to a passive defence of Confederate territory, have all been pressed into service as excuses. “Give me 10,000 fresh troops,” said Jackson, as the surgeon dressed his wound, “and I would be in Washington to-morrow.” Before twenty-four hours had passed reinforcements had increased the strength of Johnston’s army to 40,000. Want of organisation had undoubtedly prevented McDowell from winning a victory on the 19th or 20th, but pursuit is a far less difficult business than attack. There was nothing to interfere with a forward movement. There were supplies along the railway, and if the mechanism for their distribution and the means for their carriage were wanting, the counties adjoining the Potomac were rich and fertile. Herds of bullocks were grazing in the pastures, and the barns of the farmers were loaded with grain. It was not a long supply train that was lacking, nor an experienced staff, nor even well-disciplined battalions; but a general who grasped the full meaning of victory, who understood how a defeated army, more especially of new troops, yields at a touch, and who, above all, saw the necessity of giving the North no leisure to develop her immense resources. For three days Jackson impatiently awaited the order to advance, and his men were held ready with three days’ cooked rations in their haversacks. But his superiors gave no sign, and he was reluctantly compelled to abandon all hope of reaping the fruits of victory.

It is true that the Confederates were no more fit for offensive operations than McDowell’s troops. “Our army,” says General Johnston, “was more disorganised by victory than that of the United States by defeat.” But it is to be remembered that if the Southerners had moved into Maryland, crossing the Potomac by some of the numerous fords near Harper’s Ferry, they would have found no organised opposition, save the débris of McDowell’s army, between them and the Northern capital. On July 26, five days after the battle, the general who was to succeed McDowell arrived in Washington and rode round the city. “I found,” he wrote, “no preparations whatever for defence, not even to the extent of putting the troops in military position. Not a regiment was properly encamped, not a single avenue of approach guarded. All was chaos, and the streets, hotels, and bar-rooms were filled with drunken officers and men, absent from their regiments without leave, a perfect pandemonium. Many had even gone to their homes, their flight from Bull Run terminating in New York, or even in New Hampshire and Maine. There was really nothing to prevent a small cavalry force from riding into the city. A determined attack would doubtless have carried Arlington Heights and placed the city at the mercy of a battery of rifled guns. If the Secessionists attached any value to the possession of Washington, they committed their greatest error in not following up the victory of Bull Run.” On the same date, the Secretary of War, Mr. Stanton, wrote as follows: “The capture of Washington seems now to be inevitable; during the whole of Monday and Tuesday [July 22 and 23] it might have been taken without resistance. The rout, overthrow, and demoralisation of the whole army were complete.”[[11]]

Of his own share in the battle, either at the time or afterwards, Jackson said but little. A day or two after the battle an anxious crowd was gathered round the post-office at Lexington, awaiting intelligence from the front. A letter was handed to the Reverend Dr. White, who, recognising the handwriting, exclaimed to the eager groups about him, “Now we shall know all the facts.” On opening it he found the following, and no more:

“My dear Pastor,—In my tent last night, after a fatiguing day’s service, I remembered that I had failed to send you my contribution to our coloured Sunday school. Enclosed you will find my check for that object, which please acknowledge at your earliest convenience, and oblige yours faithfully, T. J. Jackson.”

To his wife, however, he was less reserved. “Yesterday,” he wrote, we “fought a great battle and gained a great victory, for which all the glory is due to God alone. . . . Whilst great credit is due to other parts of our gallant army, God made my brigade more instrumental than any other in repulsing the main attack. This is for your information only—say nothing about it. Let others speak praise, not myself.”