TalkaboutanimportanteventfromUSHistory.Whyistheeventsignificant?还得再麻烦一下,如上提问,大约120字左右就行,

Question

Talk about an important event from US History.Why is the event significant?
还得再麻烦一下,如上提问,大约120字左右就行,

Answer 1

911 events refers to the fact that on the United States Eastern timeSeptember 11,2001 morning,TheTerrorists hijacked 4 civilian airliners to hit New York's World Trade Centerand the Pentagon in Washington.It led to 6 buildings completely destroyed includingNew York's landmark --World Trade Center twin towers and 23other high-rise buildings Destructed.
That day's terrorist attack has a huge impact on the United Statesand the world.after PearlHarbor during World War II,The incident is the second attack causing heavycasualties in the history of United States.The condemnation of the incident ofthe United States Government is strongly supported by most countries over the world.after the event,variouscommemorative activities were held around the globe.The event has also led tothe international context of multinational cooperation in anti-terrorismoperations.