However it's worth noting that the invasion caused at least tens of thousands of deaths and probably hundreds of thousands of deaths in North America - because

However it's worth noting that the invasion caused at least tens of thousands of deaths and probably hundreds of thousands of deaths in North America - because the US and Canada built the Alaska highway to counter the Japanese; and that project spread illnesses to such as TB to native people who had never encountered them before; with a staggering deathtoll amongst them. Also not reported during the war.