The purpose of the 9/11 commission was to

a. provide funds for victims’ families.
b. study the events of september 11th.
c. create more security at airports.
d. expand the powers of law enforcement.

The right answer is B.

Explanation:

According to its website, the  National Commission on Terrorist Attacks Upon the United States (also known as the 9-11 Commission),  was formed to prepare a thorough account of the circumstances of the 9/11 terrorist attacks. This includes "preparedness for and the immediate response" to the terrorist actions. It was also charged with making recommendations to the government to prevent similar attacks in the future.

To study the events of September 11th

Explanation:

b.unemployment reached nearly 25 percent.