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 Neolithic, Middle Neolithic, Late Neolithic I, Late Neolithic II and Final Neolithic (or Chalcolithic). These are the estimated populations of hamlets, villages, and towns of Neolithic Greece over time. Note that there are several problems with estimating the sizes of individual settlements, and the highest estimates for a given settlements, in a given period, may be several times the lowest. The Pre-Ceramic (or Aceramic) period of Neolithic Greece is characterized by the absence of baked clay pots and an economy based on farming and stock-rearing. Settlements consisted of subterranean huts partially dug into the ground with communities inhabited by 50