Question 115 of 128 ★ 65/20
What major event happened on September 11, 2001 in the United States?
Official USCIS answers
- Terrorists attacked the United States
- Terrorists took over two planes and crashed them into the World Trade Center in New York City
- Terrorists took over a plane and crashed into the Pentagon in Arlington, Virginia
- Terrorists took over a plane originally aimed at Washington, D.C., and crashed in a field in Pennsylvania
Why this is the answer
On September 11, 2001, terrorists hijacked airplanes and attacked the United States. Two planes hit the World Trade Center, one hit the Pentagon, and one crashed in Pennsylvania. This is why all official answers describe a terrorist attack.
💡 Memory tip: Remember: 9/11 = terrorists + planes + New York, the Pentagon, and Pennsylvania.
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Source: USCIS, 128 Civics Questions and Answers (2025 version), M-1778.