 However, he had to turn back shortly after, alarmed by the French advances in Artois, Hainaut and Luxembourg, and could not prevent the fall of Breda.For the campaign of 1638, King Philip IV instructed the Cardinal-Infante to undertake an offensive strategy against the Dutch in order to subject them to massive pressure and force them to agree a favourable truce and the restoration of their conquests in Brazil, Breda, Maastricht, Rheinberg and Orsoy.The main objective of that year would be the capture of Rheinberg, which would give to Spain a crossing point in the Lower Rhine and contribute to tightening the blockade over Maastricht.