Two plans were drawn up for the invasion. The first was more cautious, and more consonant with the strict rules of strategy. The second was bolder and promised more immediate results. According to the first the King was to concentrate his main army in La Mancha, and to threaten the passes, while two great flanking columns carried out the preliminary conquest of Estremadura and Valencia. Mortier was to march with the 5th and 2nd Corps upon Badajoz, to crush Albuquerque, and to occupy the valley of the Guadiana. Simultaneously Suchet was to make a push from Aragon into Valencia with the bulk of his corps, while his place at Saragossa was to be taken by a large force drawn from the newly-arrived reinforcements from France. Only when Badajoz and Valencia had fallen, and Suchet and Mortier could advance parallel with him on either flank, was the King to march against Seville. The weak point of the scheme was that either Badajoz or Valencia might make a long resistance; if their garrisons fought like that of Gerona the central advance on Andalusia might be delayed for an indefinite time.
The second plan, the one that was adopted, was to leave the 2nd Corps alone to watch Albuquerque and Estremadura, to order Suchet to advance against Valencia, but to strike straight at Seville, without waiting for the completion of either the Estremaduran or the Valencian operations. In the original draft for this campaign[126], nearly the whole of the King’s army was to concentrate at Almaden and Ciudad Real, and from thence to strike straight at Cordova, by the difficult and little-used passes of the central Sierra Morena. Meanwhile Sebastiani, with no more than a single infantry division and Milhaud’s dragoons, was to demonstrate against the main group of passes in front of La Carolina, along the line of the high-road from Madrid, so as to distract the attention of the Spaniards from the real point of attack. More than 50,000 men were to descend suddenly on Cordova, for the whole of the 1st and 5th Corps, Dessolles’ Reserve division, the King’s Guard, and Latour-Maubourg’s dragoons, were to march in a mass by the unexpected route via Almaden, Villanueva de la Jara, and Adamuz. The Spanish centre would undoubtedly be broken, and it was probable that Cordova, Seville, and Cadiz would be carried by the first rush, for Areizaga’s army would be cut off from them and driven eastward towards Murcia.
The plan, an admirable one from the point of view of strategy, had to be abandoned, for it was found that the country between Almaden and Cordova was so absolutely barren and uninhabited, and the roads so bad, that it would be impossible to carry a very large body of troops across it at mid-winter. It was doubtful whether the passes were practicable for artillery; it was certain that no food could be obtained, and the train required to carry rations for 50,000 men would be so large and heavy that it would probably stick fast in the mountains.
On January 11, when Mortier, Dessolles, and the rest of the army had already moved out of their cantonments and taken the road for La Mancha, the revised draft of the plan of campaign was issued. It was inferior in unity of conception to the first plan, and did not seem likely to produce such good results; but it had the merit of being practicable. By this scheme Victor alone was to march on Cordova, with the 22,000 men of the 1st Corps: he was to endeavour to take his artillery with him, but if the passes proved too rough, he was to send it back by Almaden to join the main army. Mortier, Dessolles, Sebastiani, Milhaud, and the King’s Reserves were to strike at the group of passes in front of La Carolina, and to drive the Spaniards out of them: it was hoped that they would thrust Areizaga’s host into the arms of Victor, who would be descending into the valley of the Guadalquivir just in time to meet the enemy retiring from the defiles. For this operation the King was to take with him rather more than 40,000 men.
It may be remarked that this plan divided the French army into two separate columns entirely destitute of lateral communications, and that, if the Spaniards had been stronger, considerable danger would have been incurred. Areizaga might have concentrated every man against one or other of the columns, and have brought it to a stand, while merely observing the other. But to do so he would have required a far larger force than he actually possessed: he had, as we have seen, only 23,000 men under arms, and even if he collected every available bayonet in one mass, either half of the French army was strong enough to meet and to beat him. The King, therefore, was running no real risk when he divided up his troops. As a matter of fact, Areizaga had made matters easy for the enemy, by splitting his small and dilapidated host into three sections—Zerain, with 4,500 men only, was on Victor’s road; the head quarters, with 13,000 men, were at La Carolina opposite the King; Vigodet with 6,000, was far to the right in the eastern passes[127]. Disaster was inevitable from the first moment of the campaign.
On January 7 King Joseph and Soult moved out from Madrid in the wake of the columns of Dessolles and the Royal Guard, which had already started. On the 8th they were at Toledo, on the 11th at Almagro, near Ciudad Real; here they conferred with Victor, and, in consequence of his reports concerning the state of the passes in the direction of Cordova, recast their plans, and adopted the scheme of operations which has just been detailed. On the following day Victor and his corps marched from Ciudad Real for Almaden, to carry out the great turning movement. The main army waited for six days to allow him to get far forward on his rugged route, and only on the 18th started out to deliver the frontal attack on the Despeña-Perros and the other passes in front of La Carolina.
It may be mentioned that Joseph had left behind him to garrison Madrid the French division of the 4th Corps[128], and not Dessolles’ troops, who had been wont to occupy the capital during the earlier operations. Both Dessolles’ and Joseph’s own reserves, his Royal Guard and a strong brigade of his newly-raised Spanish army, joined in the invasion. Since the German division of the 4th Corps was still absent, escorting the prisoners of Ocaña, it resulted that Sebastiani had with him only his Polish division, his cavalry, and some details sufficient to muster up a total of just 10,000 men. His corps was never properly reassembled during the whole of the rest of the war, as some of the regiments which he now left behind never rejoined him in Andalusia, but were left in garrison in New Castile till 1812, and practically became part of the ‘Army of the Centre.’
Besides the garrison of Madrid, Joseph left to cover his rear the whole 2nd Corps, still under the provisional command of Heudelet, which lay at Talavera and was charged to watch Albuquerque. If the rumour of the departure of the English from Badajoz were true, there would be no danger in this quarter. But Joseph was not yet quite certain that Wellington had retired into Portugal. The only serious preoccupation which vexed his mind, at the moment when he was preparing to attack, was the idea that the English might still come up by Truxillo and join Albuquerque in a raid on Madrid. Heudelet, the constant purveyor of false information, did his best to scare his master on January 13, by sending him a report that Wellington was still at Badajoz with 23,000 men[129]. But later and more trustworthy news from other quarters, showing that the English army had marched off for Abrantes long before Christmas, at last set the King’s mind at rest on this all-important topic.
There was nothing to be feared from the west when Wellington had taken his departure. Albuquerque’s small force was powerless, and if Del Parque moved down from the Sierra de Francia into the valley of the Tagus, the 6th Corps could make a corresponding movement. Ney had now returned to take command at Salamanca, and the confidence of his troops, shaken somewhat by Marchand’s incapable leadership, was now restored. Behind Ney and Kellermann were the innumerable battalions of the new reinforcements from Germany, the head of whose column had now reached Burgos. The King’s rear, therefore, was well guarded when he began his great offensive movement against Andalusia.