What led to the September 11th, 2001, attacks on the World Trade Center and the Pentagon?
Photo from “9/11: The Day of the Attack” by Allan Taylor The Atlantic (September, 2011).
The Roots of 9/11 (click here)
The impact of 9/11 at home and in the world:
http://www.pbs.org/newshour/rundown/911-to-now-ways-we-have-changed/
“9/11 Ten Years Later,” The Atlantic (September, 2011).
http://www.mepc.org/hill-forums/isis-threat-us-national-security-0
World History 