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 Tsangli, was first developed during the Middle Neolithic period; the "Tsangli-type" dwelling has two interior buttresses on each side (designed to support the roof of the house and divide the dwelling space into separate rooms for distinct functions such as storage, food preparation and sleep quarters) with a row of posts in the center of the square room. In the realm of art, the meander-labyrinth motif was found on seals and jewellery of the Early Neolithic period and, to a lesser extent, of the Middle Neolithic period. The Middle Neolithic period ended with the devastation of certain settlements by fire;