The Battle of Gettysburg 1863. Drake Samuel Adams
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the army was now again in motion, with a cool head and steady hand to guide it on. But as no machine is stronger than its weakest part, it remained to be seen how this one would bear the strain.
Thus a triumphant and advancing enemy was being followed by a beaten and not over-confident one, its wounds scarcely healed,24 not much stronger than its opponent, and led by a general new to his place, against the greatest captain of the Confederacy. How could the situation fail to impose caution upon a general so fully and so recently impressed with the consequences of taking a false step? Meade's every move shows that from the beginning this thought was uppermost in his mind.
With the effects of Lee's simple presence thus laid before us, it is entirely safe to ask what should have stopped this general from dictating his own terms of peace, either in Philadelphia or Baltimore, provided he could first beat the Union army in Pennsylvania?
IV
REYNOLDS
Meade's Problem
The problem presented to Meade's mind, on taking command, was this: What are the enemy's plans, and where shall I strike him? He knew that part of Lee's army was at Chambersburg, part at Carlisle, and part at York. Was it Lee's purpose to concentrate his army upon the detachment at York or upon that at Carlisle, or would he draw these two detachments back into the Cumberland Valley, there to play a merely defensive game? Should the junction be at Carlisle, it would mean an attack on Harrisburg: if at York, or at some point between the main body and York, it would indicate an advance in force toward Philadelphia, Baltimore, or Washington. As all these things were possible, all must be duly weighed and guarded against. With a wily, brave, and confident enemy before him, Meade did not find himself on a bed of roses, truly; and he may well be pardoned the remark attributed to him when ordered to take the command, that he was being led to execution.
Meade needed no soothsayer to tell him that if Lee crossed the mountains, it would be because he meant to fight his way toward his object through every obstacle.
What was that object?
In answering this question the political considerations must be first weighed. In short, the purpose – the great purpose – of the invasion must be penetrated. That being done, the military problem would easily solve itself.
It was not to be supposed that Lee had invaded Pennsylvania solely for the purpose of taking a few small towns, or even a large one, like Harrisburg, or of filling up his depleted magazines. He was evidently after larger game. His ultimate aim, clearly, was to capture Washington, as a signal defeat of the Union army would easily enable him to do. It would crown the campaign brilliantly, would fulfil the hopes, and beyond doubt or cavil ensure the triumph, of the Confederacy. It is true that Meade's orders held him down to a defence of the national capital first and foremost; in no sense, then, was he the master of his own acts: yet he showed none the less sagacity, we think, in concluding that Lee would presently be found on the east side of the mountains, and in preparing to meet him there, not astride the mountains as Hooker had proposed doing, but with his whole army more within his reach. Meade was prudent. He would err, if at all, on that side; yet the result vindicated his judgment sooner than was thought for.
This being settled, there still remained the question of relieving Pennsylvania. The enemy's presence there was an indignity keenly enough felt on all sides, but to none was it such a home-thrust as to the Pennsylvanians in the Union army, at the head of whom was Meade himself.25
Meade's Plans.
Though Hooker's plan promised excellent results here, Meade was fearful lest Lee should cross the Susquehanna, and take Harrisburg before he could be stopped. To prevent this the army must be pushed forward. Meade, therefore, at once drew back the left wing toward Frederick, thus giving up that plan in favor of one which he himself had formed; namely, of throwing the army out more to the northeast, the better to cover Baltimore from attack, should that be Lee's purpose, as Meade more than suspected. Selecting Westminster, therefore, as his base from this time forth, and the line of Big Pipe Creek, a little to the north of that place, as his battle-ground, Meade now set most of the army in motion in that direction, leaving Frederick to the protection of a rear-guard.
Left Flank Forward.
Right Flank refused.
The army now marched with its left wing thrown forward toward South Mountain, Buford's cavalry toward Fairfield, to clear that flank, the First and Eleventh Corps toward Emmettsburg, the Third and Twelfth toward Middleburg, the Fifth to Taneytown, the Second to Uniontown, and the Sixth, on the extreme right, to New Windsor.
Two other divisions of Union cavalry, Kilpatrick's and Gregg's, marched one on the right flank, the other in front, with orders to keep the front and flanks of the army well scouted and protected.
It will be seen from this order of march that, in proportion as they went forward, Buford's cavalry, with the three infantry corps forming the left wing, were approaching the enemy's main body at Chambersburg. South Mountain was, therefore, the wall behind which the two contending armies were playing at hide-and-seek.26
Lee hears Meade is coming.
Lee had only just given orders for his whole force to move on Harrisburg, when, late in the night of the 28th, a scout brought news to him of the Union army being across the Potomac, and on the march toward South Mountain.27 This report could not fail to throw the Confederate headquarters into a fever of excitement, ignorant to that hour of that army's being across the Potomac. The mystery was cleared up at last. In a moment the plan of campaign was changed.28 Lee soon said to some of the officers about him, "To-morrow, gentlemen, we will not move to Harrisburg as we expected, but will go over to Gettysburg and see what General Meade is about."
March on Gettysburg begun.
By placing himself on the direct road to Baltimore, Lee's purpose of first drawing the Union army away from his line of retreat, and of then assailing it on its own, stands fully revealed. The previous orders were therefore countermanded on the spot. Hill and Longstreet were ordered from Chambersburg to Gettysburg,29 Ewell was called back from Carlisle, and Early from York.
Faulty Tactics.
If Meade had known Lee's whereabouts, it is safe to assume that the Union army would have been massed toward its left rather than its right; and if Lee had been correctly informed on his part, it is unlikely that he would have risked throwing his columns out at random against the Union army, as he was now doing. Only the fatuity of the Union generals saved Lee's vanguard on the 1st of July. Yet he held the very important advantage of having already begun the concentration of his army – an easy thing for him to do, inasmuch as but one of his three corps was separated from the others – before Meade discovered by chance what was so near proving his ruin. One day's march would bring all three up within supporting distances, two in position for giving battle.
Confederate Positions June 29th.
Heth's division of Hill's Corps got as far as Cashtown, eight miles from Gettysburg, on the 29th; Rodes' division of Ewell's Corps was coming down by the direct road from Carlisle, east of South Mountain; Early's division of this corps began its march back from York to Gettysburg on the morning of the 30th. These three divisions, or one-third of Lee's whole army, therefore, formed the enemy's vanguard which would first strike an approaching force. But, as we have seen, the whole army was in march behind it, and by the next day well closed up on the advance.
Leaving them to pursue their march, which was by no means hurried, let us, to borrow Lee's very expressive phrase, "see what General Meade was about."
Union Positions June 30th.
On the 29th all seven of the Union corps were advancing northward like fingers spread apart, and exactly in an inverse order from Lee's three, which were converging on the palm of the hand. On the 30th this divergent order of march continued to conduct the corps
The army was not up to its highest point of efficiency. It had just lost fifty-eight regiments by expiration of service. This circumstance was known to Lee. The proportion of veterans was not so great as in the Confederate army, or the character of the new enlistments as high as in 1861 and 1862.
Besides Meade, there were Hancock, Reynolds, and Humphreys – a triumvirate of some power with that army. Pennsylvania had also seventy-three regiments and five batteries with Meade.
While thus feeling for Lee along the mountain passes with his left hand, Meade was reaching out the right as far as possible toward the Susquehanna, or toward Early at York.
This was Longstreet's scout, Harrison. "He said there were three corps near Frederick when he passed there, one to the right and one to the left; but he did not succeed in getting the position of the other." —
This shows how little foundation exists for the statements of the Comte de Paris and others that Hooker's strategy compelled Lee to cross the mountain, when it is clear that he knew nothing whatever of Hooker's intentions. This is concurred in by both Lee and Longstreet. Moreover, Hooker had scarcely put his strategy in effect when he was relieved.
In point of fact, the concentration was first ordered for Cashtown, "at the eastern base of the mountain." —