 This leader may have a "vision" (or "myth-dream") of the future, often linked to an ancestral efficacy ("mana") thought to be recoverable by a return to traditional morality.This leader may characterize the present state as a dismantling of the old social order, meaning that social hierarchy and ego boundaries have been broken down.Contact with colonizing groups brought about a considerable transformation in the way indigenous peoples of Melanesia have thought about other societies.