The European system of Manorialism is most closely associated with maintaining economic self sufficiency. Manorialism is actually considered a very essential element of the feudal system and society. It is also considered as the organizing principle of most rural economy. I hope this comes to your help.
Malaysia has 189 river basins - 89 in Peninsular Malaysia, 78 in Sabah and 22 in Sarawak. All the rivers originate and flow from the highlands.