Issued Wednesday by the International Affairs & Defence Section of the House of Commons Library for the use of members of the British Parliament, this 123-page library research paper covers a range of issues related to the September 11 attacks in the United States and their potential aftermath. Among other topics, the paper covers reactions to the attacks (UK, US, and beyond), information on Osama bin Laden and al-Qaeda, international legal issues, military options, background on Pakistan and popular opinion there, and much more.