Answer:
In the terrorist's attacks at the World Trade Center in NYC at the pentagon building in Washington DC, nearly 3,000 people were killed and 400o f which were firefighters and police officers. This happened on September 11, 2001. 9/11 was the second terrorist attack in history. The first terrorist's attack on the World Trade Center, it killed six people and it happened on the February of 1993. 50,000 people were rescued by boat on 9/11, in NYC, within 9 hours. It took 9 months to rescue, recover and clean up almost 1.8 million tons of wreckage.
passengers aboard the United flight 93 heard about the terrorist attacks and attempted to retake control of the plane from hijackers. Because of that the hijackers crashed the plane in Pennsylvania field instead of their target. Flight United 93 had an unknown target. This islamist terrorist's group al- Qaeda, were the ones behind the 9/11 attacks. they have done other attacks because they were against America.
Hope this helps :) good luck!
fact: al- Qaeda, means the captain/leader (female captain/leader) in arabic. (I'm arabic)
