Neolithic Revolution as irrigation and deforestation which allowed the production of surplus food. Other developments found very widely are the domestication of animals, pottery, polished stone tools, and rectangular houses. These developments, sometimes called the Neolithic package, provided the basis for centralized administrations and political structures, hierarchical ideologies, depersonalized systems of knowledge (e.g. writing), densely populated settlements, specialization and division of labour, more trade, the development of non-portable art and architecture, and property ownership. The earliest known civilization developed in Sumer in southern Mesopotamia (); its emergence also heralded the beginning of the Bronze Age. The relationship of the above-mentioned Neolithic characteristics
Neolithic Greece into nuclear families and settlements consisted of large megaron-type rectangular structures with timber-post frames and stone foundations. Many settlements were surrounded by ditches 1.5–3.5 meters deep and 4–6 meters wide, which were constructed probably to defend against wild animals and to protect goods by establishing the borders of the settlements themselves. The Late Neolithic I period was succeeded by the Late Neolithic II period (or LNII) where economic and social life in existing settlements continued uninterruptedly. The Final Neolithic (or Chalcolithic) period entails the transition from the Neolithic farming and stock-rearing economy to the metal-based economy of the Early Bronze