On the eve of the american invasion of the japanese-held island of iwo jima, how was the mood of the japanese defenders of the islands?

They are prepared for the American Invasion of the Island. Preparation for the war is carefully planned to inflict damage and loss to US soldiers and fleet.  Thus Japanese soldiers most likely are determined, cautious, anxious and hopeful on the eve of the war.  

They had more africans americans than any other state