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The History of Rome, Book III. Theodor Mommsen
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Автор произведения Theodor Mommsen
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Hannibal in Gaul
Scipio at Massilia
Passage of the Rhone
Arrived at the Pyrenees, Hannibal sent home a portion of his troops; a measure which he had resolved on from the first with the view of showing to the soldiers how confident their general was of success, and of checking the feeling that his enterprise was one of those from which there is no return home. With an army of 50,000 infantry and 9000 cavalry, entirely veteran soldiers, he crossed the Pyrenees without difficulty, and then took the coast route by Narbonne and Nimes through the Celtic territory, which was opened to the army partly by the connections previously formed, partly by Carthaginian gold, partly by arms. It was not till it arrived in the end of July at the Rhone opposite Avignon, that a serious resistance appeared to await it. The consul Scipio, who on his voyage to Spain had landed at Massilia (about the end of June), had there been informed that he had come too late and that Hannibal had crossed not only the Ebro but the Pyrenees. On receiving these accounts, which appear to have first opened the eyes of the Romans to the course and the object of Hannibal, the consul had temporarily given up his expedition to Spain, and had resolved in connection with the Celtic tribes of that region, who were under the influence of the Massiliots and thereby under that of Rome, to receive the Phoenicians on the Rhone, and to obstruct their passage of the river and their march into Italy. Fortunately for Hannibal, opposite to the point at which he meant to cross, there lay at the moment only the general levy of the Celts, while the consul himself with his army of 22,000 infantry and 2000 horse was still in Massilia, four days' march farther down the stream. The messengers of the Gallic levy hastened to inform him. It was the object of Hannibal to convey his army with its numerous cavalry and elephants across the rapid stream under the eyes of the enemy, and before the arrival of Scipio; and he possessed not a single boat. Immediately by his directions all the boats belonging to the numerous navigators of the Rhone in the neighbourhood were bought up at any price, and the deficiency of boats was supplied by rafts made from felled trees; and in fact the whole numerous army could be conveyed over in one day. While this was being done, a strong division under Hanno, son of Bomilcar, proceeded by forced marches up the stream till they reached a suitable point for crossing, which they found undefended, situated two short days' march above Avignon. Here they crossed the river on hastily constructed rafts, with the view of then moving down on the left bank and taking the Gauls, who were barring the passage of the main army, in the rear. On the morning of the fifth day after they had reached the Rhone, and of the third after Hanno's departure, the smoke-signals of the division that had been detached rose up on the opposite bank and gave to Hannibal the anxiously awaited summons for the crossing. Just as the Gauls, seeing that the enemy's fleet of boats began to move, were hastening to occupy the bank, their camp behind them suddenly burst into flames. Surprised and divided, they were unable either to withstand the attack or to resist the passage, and they dispersed in hasty flight.
Scipio meanwhile held councils of war in Massilia as to the proper mode of occupying the ferries of the Rhone, and was not induced to move even by the urgent messages that came from the leaders of the Celts. He distrusted their accounts, and he contented himself with detaching a weak Roman cavalry division to reconnoitre on the left bank of the Rhone. This detachment found the whole enemy's army already transported to that bank, and occupied in bringing over the elephants which alone remained on the right bank of the stream; and, after it had warmly engaged some Carthaginian squadrons in the district of Avignon, merely for the purpose of enabling it to complete its reconnaissance—the first encounter of the Romans and Phoenicians in this war—it hastily returned to report at head-quarters. Scipio now started in the utmost haste with all his troops for Avignon; but, when he arrived there, even the Carthaginian cavalry that had been left behind to cover the passage of the elephants had already taken its departure three days ago, and nothing remained for the consul but to return with weary troops and little credit to Massilia, and to revile the "cowardly flight" of the Punic leader. Thus the Romans had for the third time through pure negligence abandoned their allies and an important line of defence; and not only so, but by passing after this first blunder from mistaken slackness to mistaken haste, and by still attempting without any prospect of success to do what might have been done with so much certainty a few days before, they let the real means of repairing their error pass out of their hands. When once Hannibal was in the Celtic territory on the Roman side of the Rhone, he could no longer be prevented from reaching the Alps; but if Scipio had at the first accounts proceeded with his whole army to Italy—the Po might have been reached by way of Genoa in seven days—and had united with his corps the weak divisions in the valley of the Po, he might have at least prepared a formidable reception for the enemy. But not only did he lose precious time in the march to Avignon, but, capable as otherwise he was, he wanted either the political courage or the military sagacity to change the destination of his corps as the change of circumstances required. He sent the main body under his brother Gnaeus to Spain, and returned himself with a few men to Pisae.
Hannibal's Passage of the Alps
Hannibal, who after the passage of the Rhone had in a great assembly of the army explained to his troops the object of his expedition, and had brought forward the Celtic chief Magilus himself, who had arrived from the valley of the Po, to address the army through an interpreter, meanwhile continued his march to the passes of the Alps without obstruction. Which of these passes he should choose, could not be at once determined either by the shortness of the route or by the disposition of the inhabitants, although he had no time to lose either in circuitous routes or in combat. He had necessarily to select a route which should be practicable for his baggage, his numerous cavalry, and his elephants, and in which an army could procure sufficient means of subsistence either by friendship or by force; for, although Hannibal had made preparations to convey provisions after him on beasts of burden, these could only meet for a few days the wants of an army which still, notwithstanding its great losses, amounted to nearly 50,000 men. Leaving out of view the coast route, which Hannibal abstained from taking not because the Romans barred it, but because it would have led him away from his destination, there were only two routes of note leading across the Alps from Gaul to Italy in ancient times:37 the pass of the Cottian Alps (Mont Genevre) leading into the territory of the Taurini (by Susa or Fenestrelles to Turin), and that of the Graian Alps (the Little St. Bernard) leading into the territory of the Salassi (to Aosta and Ivrea). The former route is the shorter; but, after leaving the valley of the Rhone, it passes by the impracticable and unfruitful river-valleys of the Drac, the Romanche, and the upper Durance, through a difficult and poor mountain country, and requires at least a seven or eight days' mountain march. A military road was first constructed there by Pompeius, to furnish a shorter communication between the provinces of Cisalpine and Transalpine Gaul.
The route by the Little St. Bernard is somewhat longer; but after crossing the first Alpine wall that forms the eastern boundary of the Rhone valley, it keeps by the valley of the upper Isere, which stretches from Grenoble by way of Chambery up to the very foot of the Little St. Bernard or, in other words, of the chain of the higher Alps, and is the broadest, most fertile and most populous of all the Alpine valleys. Moreover, the pass of the Little St. Bernard, while not the lowest of all the natural passes of the Alps, is by far the easiest; although no artificial road was constructed there, an Austrian corps with artillery crossed the Alps by that route in 1815. And lastly this route, which only leads over two mountain ridges, has been from the earliest times the great military route from the Celtic to the Italian territory. The Carthaginian army had thus in fact no choice. It was a fortunate coincidence, but not a motive influencing the decision of Hannibal, that the Celtic tribes allied with him in Italy inhabited the country up to the Little St. Bernard, while the route by Mont Genevre would have brought him at first into the territory of the Taurini, who were from ancient times at feud with the Insubres.
So the Carthaginian army marched in the first instance up the Rhone towards the valley of the upper Isere, not, as might be presumed, by the nearest route up the left bank of the lower Isere from Valence to Grenoble, but through the "island" of the Allobroges, the rich, and even then thickly peopled, low ground, which is enclosed on the north and west by the Rhone, on the south by the Isere, and on the east
37
It was not till the middle ages that the route by Mont Cenis became a military road. The eastern passes, such as that over the Poenine Alps or the Great St. Bernard—which, moreover, was only converted into a military road by Caesar and Augustus—are, of course, in this case out of the question.