Question: What are the biggest terrorist attacks by the group with which Bush said the war on terror begins against the country where Roberts Vaux died?

full_context: Document 1: Roberts Vaux: He was born in Philadelphia, Pennsylvania, the eldest son of a well-known Quaker family (Richard and Anne Roberts Vaux) and connected by marriage to another such family, the Wistars. He received his education at private schools of Philadelphia.
Document 2: Roberts Vaux Junior High School: The Promise Academy at Roberts Vaux High School (commonly referred to as 'Roberts Vaux Promise Academy) is a historic high school school building located in the North Central neighborhood of Philadelphia, Pennsylvania. It was designed by Irwin T. Catharine and built in 1936-1938. It is a four-story, 23 bay, "U"-shaped yellow brick building in a Moderne / Art Deco-style. It features projecting end pavilions, terra cotta decorative work, and a two-story stone Tudor-arched entryway. It was named for American jurist, abolitionist, and philanthropist Roberts Vaux (1786-1836). Jacob C. White, Jr. served as principal from 1864 to 1896 and was the first black school principal in Philadelphia. During his tenure, White reformed the institute and became the leading figure in the field of urban education in Philadelphia.
Document 3: United States–Yemen relations: In the years after the September 11, 2001 attack on the World Trade Center in New York City, Yemen became a key site for U.S. intelligence gathering and drone attacks on Al-Qaeda. According to the 2012 U.S. Global Leadership Report, 18% of Yemenis approved of U.S. leadership, with 59% disapproving and 23% uncertain. According to a February 2015 report from the Congressional Research Service, U.S. officials considered Al-Qaeda in the Arab Peninsula the Al-Qaeda affiliate "most likely to attempt transnational attacks against the United States."
Document 4: Federal Detention Center, Philadelphia: The Federal Detention Center (FDC Philadelphia) is a United States Federal prison in Center City, Philadelphia, Pennsylvania which holds male and female inmates prior to or during court proceedings, as well as inmates serving brief sentences. It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.
Document 5: September 11 attacks: Journalist Yosri Fouda of the Arabic television channel Al Jazeera reported that in April 2002 Khalid Sheikh Mohammed admitted his involvement in the attacks, along with Ramzi bin al-Shibh. The 9/11 Commission Report determined that the animosity towards the United States felt by Mohammed, the principal architect of the 9/11 attacks, stemmed from his "violent disagreement with U.S. foreign policy favoring Israel". Mohammed was also an adviser and financier of the 1993 World Trade Center bombing and the uncle of Ramzi Yousef, the lead bomber in that attack.Mohammed was arrested on March 1, 2003, in Rawalpindi, Pakistan, by Pakistani security officials working with the CIA. He was then held at multiple CIA secret prisons and Guantanamo Bay where he was interrogated and tortured with methods including waterboarding. During U.S. hearings at Guantanamo Bay in March 2007, Mohammed again confessed his responsibility for the attacks, stating he "was responsible for the 9/11 operation from A to Z" and that his statement was not made under duress.
Document 6: Military history of the United States: The War on Terrorism is a global effort by the governments of several countries (primarily the United States and its principal allies) to neutralize international terrorist groups (primarily Islamic Extremist terrorist groups, including al-Qaeda) and ensure that countries considered by the US and some of its allies to be Rogue Nations no longer support terrorist activities. It has been adopted primarily as a response to the September 11, 2001 attacks on the United States. Since 2001, terrorist motivated attacks upon service members have occurred in Arkansas and Texas.
Document 7: Barclay White: Barclay White was born of Quaker parentage at Philadelphia, Pennsylvania to Joseph White (December 28, 1785 – May 25, 1827) and Rebecca Smith, his wife. His father and uncle, Josiah White, were prominent entrepreneurs. He became an orphan at the age of six. White was educated at Westtown School, Westtown, Pennsylvania, and Smith's Academy, Wilmington, Delaware.
Document 8: William A. Roberts: The son of Salvation Army officers, Roberts holds a Bachelor of Science degree in Business Administration from Wayne State University and a Master of Arts degree in Religious Studies from the University of Detroit. He has also studied at the University of Minnesota, Nazarene Theological Seminary and North Park Seminary. He was selected to attend the International College for Officers in London in 1982.
Document 9: Philadelphia: The Philadelphia County Court of Common Pleas (First Judicial District) is the trial court of general jurisdiction for Philadelphia, hearing felony-level criminal cases and civil suits above the minimum jurisdictional limit of $7000 (excepting small claims cases valued between $7000 and $12000 and landlord-tenant issues heard in the Municipal Court) under its original jurisdiction; it also has appellate jurisdiction over rulings from the Municipal and Traffic Courts and over decisions of certain Pennsylvania state agencies (e.g. the Pennsylvania Liquor Control Board). It has 90 legally trained judges elected by the voters. It is funded and operated largely by city resources and employees. The current District Attorney is Seth Williams, a Democrat. The last Republican to hold the office is Ron Castille, who left in 1991 and is currently the Chief Justice of the Pennsylvania Supreme Court.
Document 10: 2004 United States presidential election: Just eight months into his presidency, the terrorist attacks of September 11, 2001 suddenly transformed Bush into a wartime president. Bush's approval ratings surged to near 90%. Within a month, the forces of a coalition led by the United States entered Afghanistan, which had been sheltering Osama bin Laden, suspected mastermind of the September 11 attacks. By December, the Taliban had been removed as rulers of Kabul, although a long and ongoing reconstruction would follow, severely hampered by ongoing turmoil and violence within the country.
Document 11: War on Terror: In 2002, the Musharraf-led government took a firm stand against the jihadi organizations and groups promoting extremism, and arrested Maulana Masood Azhar, head of the Jaish-e-Mohammed, and Hafiz Muhammad Saeed, chief of the Lashkar-e-Taiba, and took dozens of activists into custody. An official ban was imposed on the groups on 12 January. Later that year, the Saudi born Zayn al-Abidn Muhammed Hasayn Abu Zubaydah was arrested by Pakistani officials during a series of joint U.S.-Pakistan raids. Zubaydah is said to have been a high-ranking al-Qaeda official with the title of operations chief and in charge of running al-Qaeda training camps. Other prominent al-Qaeda members were arrested in the following two years, namely Ramzi bin al-Shibh, who is known to have been a financial backer of al-Qaeda operations, and Khalid Sheikh Mohammed, who at the time of his capture was the third highest-ranking official in al-Qaeda and had been directly in charge of the planning for the 11 September attacks.
Document 12: Federal Correctional Institution, Seagoville: The Federal Correctional Institution, Seagoville (FCI Seagoville) is a low-security United States federal prison for male inmates in Seagoville, Texas in the Dallas-Fort Worth metropolitan area. It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice. The facility includes a detention center for male offenders and an adjacent satellite prison camp that houses minimum security-male offenders.
Document 13: War on Terror: On 16 September 2001, at Camp David, President George W. Bush used the phrase war on terrorism in an unscripted and controversial comment when he said, "This crusade – this war on terrorism – is going to take a while, ... " Bush later apologized for this remark due to the negative connotations the term crusade has to people, e.g. of Muslim faith. The word crusade was not used again. On 20 September 2001, during a televised address to a joint session of congress, Bush stated that, "(o)ur 'war on terror' begins with al-Qaeda, but it does not end there. It will not end until every terrorist group of global reach has been found, stopped, and defeated."
Document 14: War on Terror: Because the actions involved in the "war on terrorism" are diffuse, and the criteria for inclusion are unclear, political theorist Richard Jackson has argued that "the 'war on terrorism' therefore, is simultaneously a set of actual practices—wars, covert operations, agencies, and institutions—and an accompanying series of assumptions, beliefs, justifications, and narratives—it is an entire language or discourse." Jackson cites among many examples a statement by John Ashcroft that "the attacks of September 11 drew a bright line of demarcation between the civil and the savage". Administration officials also described "terrorists" as hateful, treacherous, barbarous, mad, twisted, perverted, without faith, parasitical, inhuman, and, most commonly, evil. Americans, in contrast, were described as brave, loving, generous, strong, resourceful, heroic, and respectful of human rights.
Document 15: Federal Medical Center, Butner: The Federal Medical Center, Butner (FMC Butner) is a United States federal prison in North Carolina for male inmates of all security levels who have special health needs. It is part of the Butner Federal Correctional Complex and is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice. An adjacent satellite prison camp houses minimum-security male inmates.
ground_truth: the 9/11 attacks
sub_queries: In what city did Roberts Vaux die? Answer: Philadelphia
Federal Detention Center, Philadelphia >> country Answer: the United States
Where did Bush say the 'war on terror' begins? Answer: with al-Qaeda
what is the biggest terrorist attacks by the Islamic terrorist group with al-Qaeda against #2 Answer: the 9/11 attacks