 Complete the following phrase:  In 1621, Philip III died and his son succeeded as Philip IV. The militarists now were firmly in charge. The following year, Zúñiga was replaced by Gaspar de Guzmán, Count-Duke of Olivares, an able man who believed that the center of all Spains woes lay in Holland. After certain initial setbacks, the Bohemians were defeated at White Mountain in 1621, and again at Stadtlohn in 1623. The war with the Netherlands was renewed in 1621 with Spinola taking the fortress of Breda in 1625. The intervention of the Danish king Christian IV in the war worried some Christian was one of Europes few monarchs who had no worries over his fices but the victory of the Imperial general Albert of Wallenstein over the Danes at 