Shortly after the Pearl Harbor attack, President Roosevelt asked the military to find a way to strike back at the Japanese Home Islands. It took an unorthodox approach to make this possible.
For India, like Australia, the entry of Japan into the war meant it was no longer a distant, European struggle. By May 1942, the Imperial Japanese Army was at the Indian border.
In 1942, many Americans feared a Japanese invasion of the West Coast of the US or Canada was imminent. Regrettably, these fears led to the belief--unsupported by facts--that the ethnic Japanese population on the West Coast represented a dangerous fifth column of potential spies and saboteurs.
Sometime in the autumn of 1941, a decision was made among the Nazi elite to murder every Jewish person in Europe--or within reach, anyway. No record exists of how that decision was made, but we have a very detailed record of how it was carried out.