 This Agricultural Revolution, combined with a "Fish-stew Revolution", in which fishing began to take place, and the use of boats, allowed for the transportation of goods.Products were often moved in ceramic pots, which are the first known examples of artistic expression from the region's inhabitants.The Bouar Megaliths in the western region of the country indicate an advanced level of habitation dating back to the very late Neolithic Era (c. 3500-2700 BC).