Answer:
Within a matter of hours of the attack, America is moving quickly to get on a war footing. American attitudes about the war change radically, [as do] American attitudes about the economy, about giving to the war. The war is not part of the culture; the war is the culture. Everything is viewed through the prism of the war effort
Step-by-step explanation:
Americans did think about war, but they had not thought that they would be involved. Basically, the attack changed their perspective, and they realized that they needed to step in and submerge themselves in war after 2,403 Americans were killed in the attack