 Pope Eugene IV issued "Regimini gregis" on 29 September 1434, and "Creator Omnium", on 17 December 1434, forbidding any further raids on the Canaries and ordered the immediate manumission of all Christian converts enslaved during the attack.While "Creator omnium" was issued in response to Portuguese depredations on Castilian settlements in the Canaries, the following month Pope Eugene issued the broader "Sicut Dudum", indicating that Castilian slavers were not exempt and requiring that residents of the Canary Islands who had been enslaved were to be set free within fifteen days of publication of the bull upon penalty of excommunication.According to Stanley G. Payne, "[T]he expansion of the faith was inextricably intertwined with military glory and economic
profit.