 This fear may have been the base reason for the expulsion of those citizens who had either a religious reason to support the invasion of the Ottomans (Moriscos) or no particular religious reason to not do it (Jews).The Inquisition might have been part of the preparations to enforce these measures and ensure their effectiveness by rooting out false converts that would still pose a threat of foreign espionage.In favor of this view there is the obvious military sense it makes, and the many early attempts of peaceful conversion and persuasion that the Monarchs used at the beginning of their reign, and the sudden turn towards the creation of the Inquisition and the edicts of expulsion when those initial attempts failed.