Question

Ally just bought a plane ticket. She notices that the gate includes a September 11 security fee. What is the governments purpose for imposing this fee

Answer 1

The government impose September 11 security fees on passengers in order TO PAY FOR SECURITY AT AIRPORTS.
After the terrorist bombing attack that occurred in USA in September 11, 2001, the US government set up special security agencies that are responsible for handling security activities in US airports. September 11 security fee is part of the money that is used to fund these agencies.