Though few successful attacks since 2001 have occurred in the United States, passengers and the airlines are still much more concerned with security than with ease and economic viability of air travel.

Question

Quizplus · Accepted Answer

The Answer of Though few successful attacks since 2001 have occurred in the United States, passengers and the airlines are still much more concerned with security than with ease and economic viability of air travel.

Though Few Successful Attacks Since 2001 Have Occurred in the United