 Dunne akasimudzirwa muIBEW kuva mutevedzeri wapurezidhendi anotarisira kuronga kwePacific District, iyo yaibatanidza Washington, Oregon, Idaho, uye British Columbia. Akashanda mukomiti yokunyora mutemo wokutanga weBritish Columbia wokuripwa kwevashandi. Apo Hondo yeNyika I yakatanga muEurope, Dunne akazviona sechirongwa chokutonga nyika kuti atore upfumi hwenyika. Akashora zvakasimba kubatanidzwa kweCanada muhondo. Akabatanawo neboka raMcNamara roruboshwe-Mooney Defense Committee somumiriri wayo wokuchamhembe kwakadziva kumadokero. Mabasa aya akaita kuti adzingwe muCanada muna 1916 semutorwa asingadiwi. 