 Complete the following phrase:  The Army of Flanders was to play a key part in all the campaigns of the Dutch Revolt 15671609. The Duke of Alba had first brought the army into Flanders, and despite losing the Battle of Heiligerlee to William I of Orange, the rebel leader, was able to pacify the north until a resurgence of rebel activity occurred in 1572. Alba sent his son Fadrique to quell the insurrection with some 30,000 men, Spaniards, Walloons, and Germans. The Army of Flanders crushed the weak defenses of Zutphen and put nearly every man in town to death, hanging some by the feet while drowning 500 others. At Naarden the women were publicly raped, then every living thing was put to the sword. The Army of Flanders now pushed through Amsterdam and, basing there, advanced against 