Pie in the sky. 
You think the Canadian public would have stood idly by while our friends and neighbours did what was right? Perhaps you think the holocaust was a completely acceptable "domestic policy" of the Nazis?
You're clearly not considering the 2 Canadian battalions destroyed by the Japanese during the Battle of Hong Kong at the outset of conflict in the Pacific theatre. That was 1975 Canadian troops, over half of whom were killed in the battle or subsequent savage treatment in captivity.