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 Europe more extinct original languages. The Sami are estimated to have adopted a Uralic language less than 2,500 years ago. Some traces of indigenous languages of the Baltic area have been suspected in the Finnic languages as well, but these are much more modest. There are early loanwords from unidentified non-IE languages in other Uralic languages of Europe as well. Some Neolithic cultures listed above are known for constructing megaliths. These occur primarily on the Atlantic coast of Europe, but there are also megaliths on western Mediterranean islands. Neolithic Europe Neolithic Europe is the period when Neolithic technology was present in