A lot of them decided to quit their jobs because of flying. Flying on a plane became a nightmare to people nowadays. Some people think they won’t return back home safe if they get on the plane. The Airline Business also slowed down. There were not a lot of people boarding on planes. A lot of Airline Companies were going to bankcruptcy because there were not enough sale of tickets. The fuel price also went up. The airlines also tried to secure the aircrafts even better than before. They made the cockpit door more heavier and made it not easy for the terrorists to get in and take control of the plane. But still the people could not trust it. American and United Airlines were the two Airlines who suffered most from it. These two airlines were the ones hijacked on 9/11. That is the main reason why some people cannot