 As such, in 1517 he decreed that all Navarrese castles be pulled down to prevent future resistance.Prominent Navarre figures who had stood up for the Navarrese monarchs were imprisoned in Atienza or forced into exile.The repression was aimed, in Cardinal Cisneros' words, at further "subjugating and constraining [Navarre], so that no one in that kingdom dares or ventures to rebel".