<prompt> Qedela le nkulumo elandelayo: Njengombhishobhi omkhulu, uHanna wayevame ukucelwa ukuba asize ekuxazululeni izingxabano zezisebenzi. Ngo-1921, waqokwa njengosihlalo weSan Franciscos Wage Arbitration Boards; uHanna wakhonza emabhodini kuze kube ngo-1924. Umbusi uJames Rolph wamisa uHanna njengosihlalo webhodi lokulamula lesifundazwe ukuxazulula isiteleka sikakotini sango-1933 eCorcoran, eCalifornia. Phakathi nenkathi  <response>: Ngo-1934 isiteleka sasogwini olusentshonalanga, uMongameli uFranklin Roosevelt wamisa uMbhishobhi Omkhulu uHanna njengosihlalo weNational Longshoremens Board. Leli bhodi lalinomsebenzi wokuxazulula lesi siteleka ngokulamula phakathi kwe-International Longshoremens Association, i-International Seamens Union, nabaqashi babo. 