which statement best describes the economic impact of the 9/11 terrorist attacks?

1. The attacks resulted in the launching of operation enduring freedom.
2. The attacks caused Americans to be more fearful and distrusting of others.
3. The attack resulted in the US spending trillions of dollars.
4. The attack led many young men and women to enlist in the military.

3. The attack resulted in the US spending trillions of dollars.