What happened in the US on September 11, 2001? Choose all the facts you are familiar with.

Question

Revolt · Accepted Answer

Al-Qaeda terrorists hijacked four passenger airplanes.; Airplanes hit the World Trade Center and the Pentagon.; The two World Trade Center towers collapsed.; About three thousand people were killed, including office workers and first responders.

Unit Test

What happened in the US on September 11, 2001? Choose all the facts you are familiar with.

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