The effect of circumstances on manorial economy is complex and at times contradictory: upland conditions have been seen as tending to preserve peasant freedoms (livestock husbandry is less labour-intensive and therefore less demanding of villein services); on the other hand, some such areas of Europe have been said to show some of the most oppressive manorial conditions, while lowland eastern England is credited with an exceptionally large free peasantry, in part a legacy of Scandinavian settlement.