Answer 1:
After the Japanense dropped the sneak attack, many Americans agreed with the bombing. They saw it as justified for the attack Japan had done to them, though this didn't mean there weren't some protest. All in all though, people were with for dropping the bomb.
Answer 2:
For starters, the desperation is obvious for when they're sending out their own men in suicide missions to sink American's ships. They were trying to do everything in their power to lower American spirit and try to end the war with a defeat, however that was not the case.
