this terrorist organization is thought to be responsible for the attacks on new york city in 2001?
Check this site.
http://en.wikipedia.org/wiki/Al-Qaeda
The terrorist organization responsible for the attacks on New York City in 2001 is Al-Qaeda. Al-Qaeda has been widely suspected and later confirmed to have orchestrated the September 11 attacks. The attacks involved hijacking four commercial airplanes and crashing them into the World Trade Center twin towers in New York City, the Pentagon in Washington, D.C., and a field in Pennsylvania. These coordinated attacks resulted in significant loss of life and had a profound impact on global politics and security.
To find this information, you can simply search for "terrorist organization responsible for 9/11 attacks" or "September 11 attacks" on a search engine like Google. Reliable sources such as news websites, government reports, and academic studies will provide you with comprehensive information about Al-Qaeda's involvement in the attacks. It's essential to verify the information from multiple trustworthy sources to ensure accuracy.