John D. Rockefeller's organizational technique of horizontal integration involved A. franchising Standard Oil gasoline stations to independent operators.; B. combining and controlling all phases of the oil industry from drilling to commercial retailing.; C. creating standardized job assignments and fixed production and sales quotas for all employees.; D. forcing small competitors to assign stock to Standard Oil, then consolidating and integrating the operations of the previously competing enterprises, or lose their business.; E. developing multiple uses for oil in transportation, lighting, and industry.