Hideki Tojo said this quote

Thus, it was to seek true civilization and true justice for all the peoples of the world, and to view this as the destruction of personal freedom and respect is to be assailed by the hatred and emotion of war, and to make hasty judgments.

~ Hideki Tojo

The reason was the failure of both Japan and China to understand each other and the inability of America and the European powers to sympathize, without prejudice, with the peoples of East Asia.

~ Hideki Tojo

However, even during the preparations for action, we laid our plans in such a manner that should there be progress through diplomatic negotiation, we would be well prepared to cancel operations at the latest moment that communication technology would have permitted.

~ Hideki Tojo

I would point out that Japan's proposal at the Versailles Peace Conference on the principle of racial equality was rejected by delegates such as those from Britain and the United States.

~ Hideki Tojo