sentences:  Acting on a complaint by Fernando Calvetos, bishop of the islands, Pope Eugene IV issued a papal bull, "Creator omnium", on 17 December 1434, annulling previous permission granted to Portugal to conquer those islands still pagan.Eugene excommunicated anyone who enslaved newly converted Christians, the penalty to stand until the captives were restored to their liberty and possessions.Slave raids continued in the islands during 1435 and Eugene issued a further edict ("Sicut dudum") that affirmed the ban on enslavement, and ordered, under pain of excommunication, that all such slaves be immediately set free