2010 (264)
2011 (255)
2014 (518)
2015 (976)
2017 (946)
2019 (491)
Map of the world showing approximate centers of origin of agriculture and its spread in prehistory:
the Fertile Crescent (11,000 BP) 西亚,
the Yangtze and Yellow River basins (9000 BP) 长江黄河盆地 and
the New Guinea Highlands (9000–6000 BP),
Central Mexico (5000–4000 BP),
Northern South America (5000–4000 BP),
sub-Saharan Africa (5000–4000 BP, exact location unknown), eastern USA (4000–3000 BP).[23]
史前农业的发源地, 文化 和 文明 的土地和基础
文明的要素
civilization:
人, 公民, 城市 都市
国家和政体机构
宗教和祭祀场所
文字和书写系统
农业 贸易(而非猎获天然物)