Sources

https://www.google.com/url?sa=i&rct=j&q=911+airplanes&source=images&cd=&docid=Q21-CAjH1zTjlM&tbnid=XeRVH9U7ZUW5hM:&ved=0CAUQjRw&url=http%3A%2F%2Fhugequestions.co
m%2FEric%2FTFC%2FBollyn-Fuji-WTC.html&ei=ECppU5KDI8LClAXDuYC4AQ&psig=AFQjCNHxaJsuMIguKLrqMVTuRbY7rIanfg&ust=1399487224913267
http://www.businessinsider.com/what-happened-on-911-2013-9?op=1#!JGp22
http://www.bbc.co.uk/1/hi/7485331.stm
http://www.apfn.org/images/8.jpg
http://news.yahoo.com/4-major-effects-9-11-u-political-landscape-173500883.html
http://www.scholastic.com/browse/article.jsp?id=3756477
http://www.911memorial.org/faq-about-911
http://www.history.com/topics/reaction-to-9-11
Videos:
1. http://youtu.be/nh28XcnpzX4
2. http://youtu.be/dqQwnqjA-6w
3. http://youtu.be/ke_OgE_V6tQ
4.http://youtu.be/S2k8Mpom690
5.http://youtu.be/k6pEZf8P_RE