Whakaotihia te rerenga e whai ake nei: I te mea he āpihopa a Hanna, he maha nga wa i tonoa ia ki te āwhina ki te whakatau i nga tautohetohe mahi. I te tau 1921, i whakaingoatia ia hei tiamana o nga Poari Whakawa Wage o San Francisco; I mahi a Hanna ki nga poari tae noa ki te tau 1924. I tohua e te Kawana a James Rolph a Hanna hei tiamana mo te poari takawaenga a te kawanatanga ki te whakatau i te patu miro 1933 i Corcoran, California. I roto i te
I te tau 1934 i whakatūria ai e te Perehitini o Franklin Roosevelt a Archbishop Hanna hei tumuaki o te Poari o te National Longshoremen. I whakawhiwhia te poari ki te whakatau i te patu ma te takawaenga i waenga i te International Longshoremen's Association, te International Seamen's Union, me o raatau kaituku mahi.