"In response to the terrorist attacks against the United States on September 11, 2001, a number of countries and organizations pledged various forms of support to the United States in its campaign against the Al Qaeda network and the Taliban in Afghanistan. This report summarizes support for the U.S. war against terrorism from open source material. It will be updated as necessary. For detailed information on the U.S. response to terrorism, as well as additional country and regional information, see the CRS [Congressional Research Service] Terrorism Electronic Briefing Book at: [http://www.congress.gov/brbk/html/ebter1.html]."
CRS Report for Congress, RL31152