Write at least three sentences about what you know about 9/11 and the impact it had on America

The 911 was terrorists doing.i was the first sign and hundreds died

Explanation:

I know it was about the outbreak of the two crashing planes in the World Trade Center building.  Date, September 11, 2001, 7:46 AM

Explanation:

The September 11 attacks, also commonly referred to as 9/11, were a series of four coordinated terrorist attacks by the militant Islamic terrorist group al-Qaeda against the United States of America on the morning of Tuesday, September 11, 2001