>>24680075
Having an alliance of two groups that consider themselves to be the superior race is not going to work out well.
However that point aside, I would agree that they considered themselves better than other Asians for sure. It is also important to recall, imo, that they were largely goaded into their militarist posture with the collapse of the Dutch in Indonesia and our efforts to use "soft power" to keep the Japanese in their place. That combined with their long history of conflict with the Chinese, going both ways, led to their desire to take control of Asia. I would note that their expansion was almost exclusively Asia based, Pearl Harbor was their attempt to close the back door as it were.