Answer :
The statement that best describes the economic impact of the 9/11 terrorist attacks is: "The attacks resulted in the U.S. spending trillions of dollars."
Explanation:
1. After the 9/11 attacks, the United States government allocated significant resources towards funding various initiatives related to national security, defense, and counterterrorism measures.
2. This massive spending included the costs of military operations, intelligence activities, homeland security enhancements, rebuilding efforts, and other related expenditures.
3. The cumulative expenditure over the years following the attacks has indeed reached trillions of dollars, significantly impacting the national budget and economy.
4. The economic repercussions of this increased spending have influenced various sectors and aspects of the U.S. economy, shaping policies, budgets, and priorities in the aftermath of the tragic events of September 11, 2001.
This choice reflects the substantial financial implications and expenditures resulting from the 9/11 attacks, distinguishing it as the statement that best describes the economic impact of those events.