There were several groups that had an impact in the expansion of the TWI programs around the world - US State Department, US Army, British Ministry of Labour, International Labor Organization (ILO) and Standard Oil.
Es gab mehrere Gruppen, die einen Einfluss auf die weltweite Verbreitung des TWI-Programms hatten: US State Department, US Army, British Ministry of Labour, International Labor Organization (ILO) and Standard Oil.