Question

the purpose of the 9/11 commission was to
provide funds for victims families.
study the events of september 11th.
create more security at airports.
expand the powers of law enforcement.

Explanation:

The 9/11 Commission was established to study the events of September 11, 2001, to understand how the terrorist attacks occurred and to provide recommendations to prevent future attacks. It was not mainly about providing funds for victims' families, creating more airport - security, or expanding law - enforcement powers.

Answer:

study the events of September 11th.