Most of the descendants of those Muslims who submitted to conversion to Christianity – rather than exile – during the early periods of the Spanish and Portuguese Inquisition, the Moriscos, were later expelled from Spain after serious social upheaval, when the Inquisition was at its height. The expulsions were carried out more severely in eastern Spain (Valencia and Aragon) due to local animosity towards Muslims and Moriscos where they were seen as economic rivals by local workers who saw them as cheap labor undermining their bargaining position with the landlords.