For, with the summer of 1702, Marlborough, though hampered by the fears of the Dutch with whom he had to act in concert, cleared the French out of Cleves, caused them to retire southward in the face of the great accession of strength which he brought with the new troops in English pay and the English contingents. Following the French retirement, he swept the whole valley of the Meuse,[1] and took its fastnesses from Liége downwards, all along the course of the stream.

By the end of the year this northern front of the French armies was imperilled, and Marlborough and his allies in that part hoped to undertake with the next season the reduction of the Spanish Netherlands.

It must be remembered, in connection with this plan, that France has always been nervous with regard to her north-eastern frontier; that the loss of this frontier leaves a way open to Paris: an advance from Belgium was to the French monarchy what an advance along the Danube was to Austria—the prime peril of all. As yet, France was nowhere near grave peril in this quarter, but pressure there marred her general plans upon the Danube.

Nevertheless, the march upon Vienna by the Upper Danube had been prepared with some success. While part of the northern frontier was thus being pressed and part menaced, while the Meuse was being cleared of French garrisons, and the French fortresses on it taken by Marlborough and his allies, the Elector of Bavaria had seized Ulm. The French upon the Upper Rhine, under Villars, defeated the Prince of Baden at Friedlingen, and established a road through the New Forest by which Louis XIV.’s forces, combined with those of the Elector of Bavaria, could advance eastward upon the Emperor’s capital. It was designed that in the next year, 1703, the troops of Savoy, in alliance with those of France, should march from North Italy through the passes of the Alps and the Tyrol upon Vienna, while at the same time the Franco-Bavarian forces should march down the Danube towards the same objective.

When the campaign of 1703 opened, however, two unexpected events determined what was to follow.

The first was the failure of Marlborough in the north to take Antwerp, and in general his inability to press France further at that point; the second, the defection of Savoy from the French alliance.

As to the first—Marlborough’s failure against Antwerp. The Spanish Netherlands were now solidly held; the forces of the allies were indeed increasing perpetually in this neighbourhood, but it appeared as though the attempt to reduce Brabant, Hainault, and Flanders, which are here the bulwark of France, would be tedious, and perhaps barren. A sort of “consolation” advance was indeed made upon the Rhine, and Bonn was captured; but no more was done in this quarter.

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