Question

Which of the following occurred after the terrorist attacks in September 11 , 2001?

a. Many people has disease and cancer related to the attacks

b. Airspace over the United States and Canada was briefly closed

c. The stock market briefly closed

d. All of the above

Answer 1

All of the above

Step-by-step explanation:

Many people in and around the building like firefighters and regular people got sickness from the smoke.

Airspace over the US and Canada were shut down by leaders of both countries.

The stock market also closed in fear of cyberattacks. Answer to the question is D.