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 and Bronze Age rock art in the British Isles the agricultural intensification in the Late Bronze Age, the first millennium BCE. Within Britain, the majority of recorded Neolithic and Bronze Age rock art comes from the northern part of the island. Cup-and-ring marks are particularly common in this area. Cup-and-ring marks are usually attributed to the Neolithic and Early Bronze Ages, while attempts at building a relative chronology have been tried in Dumbartonshire. Over 70 examples of late prehistoric rock art have been identified in the South West of Britain, being far sparser than those found in the North. This may in part be due to the harder nature