Question

as commander in chief of the army and navy i have directed that all measures be taken for our defense. but always will our whole nation remember the character of the onslaught against us. no matter how long it may take us to overcome this premeditated invasion, the american people in their righteous might will win through to absolute victory. i believe that i interpret the will of the congress and of the people when i assert that we will not only defend ourselves to the uttermost but will make it very certain that this form of treachery shall never again endanger us. hostilities exist. there is no blinking at the fact that our people, our territory, and our interests are in grave danger. with confidence in our armed forces—with the unbounding determination of our people—we will gain the inevitable triumph, so help us god. what has changed in the american attitude after pearl harbor?

Explanation:

The text is about the American attitude after the Pearl Harbor attack. Key points: The nation is united against the enemy, determined to achieve absolute victory, confident in armed forces and people, and will not let treachery happen again. The tone is resolute, showing a shift to a unified, determined, and defensive - yet offensive - stance to defeat the aggressor.

Answer:

After the Pearl Harbor attack, the American attitude became highly unified and resolute. The nation was determined to defend itself, achieve absolute victory over the aggressor, and was confident in its armed forces and people. There was a strong sense of resolve to never let such treachery (the Pearl Harbor attack) occur again, with the whole nation ready to fight against the enemy.