Throughout all these years of recorded history, the black african has invented a lot. The written language, weaved cloth, a calendar,a plow, a road, a bridge, a railway, a ship, a system of measurement, oreven the wheel. There are records he has cultivated crops, domesticated single animals for his own use. Another means of transporting goods was on the top of his head. For shelter he did progress beyond the common mudhut, which could also be constructed quickly.