<prompt> Pedzisa mutsara unotevera: Somukuru wemabhishopu, Hanna aiwanzopiwa basa rokubatsira pakugadzirisa kusawirirana kwevashandi. Muna 1921, akagadzwa sachigaro weSan Franciscos Wage Arbitration Boards; Hanna akashanda pamabhodhi kusvika muna 1924. Gavhuna James Rolph akagadza Hanna sachigaro webhodhi rehurumende rekugadzirisa kugadzirisa kuramwa kwebasa kwe1933 muCorcoran, California. Mukati  <response>: 1934 Kuramwa basa pamhenderekedzo yegungwa yokuMadokero, Mutungamiri Franklin Roosevelt akadana Bhishopi Mukuru Hanna sachigaro weNational Longshoremens Board. Dare racho rakapiwa basa rokugadzirisa kuramwa basa kupfurikidza nokureverera pakati peInternational Longshoremens Association, International Seamens Union, uye vashandirwi vavo. 