79:8.6

Despite failure to fulfill the promise of an early development of advanced statehood, the yellow race did progressively move forward in the realization of the arts of civilization, especially in the realms of agriculture and horticulture. The hydraulic problems faced by the agriculturists in Shensi and Honan demanded group co-operation for solution. Such irrigation and soil-conservation difficulties contributed in no small measure to the development of interdependence with the consequent promotion of peace among farming groups.