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
Savanna Pastoral Neolithic Savanna Pastoral Neolithic The Savanna Pastoral Neolithic or SPN (formerly known as the Stone Bowl Culture) is a collection of ancient societies that appeared in the Rift Valley of East Africa and surrounding areas during a time period known as the Pastoral Neolithic. Through archaeology, historical linguistics and archaeogenetics, they conventionally have been identified with the area's first Afroasiatic-speaking settlers. Archaeological dating of livestock bones and burial cairns has also established the cultural complex as the earliest center of pastoralism (cattle, goats and sheep) and stone construction in the region. The makers of the Savanna Pastoral Neolithic culture are believed