Question: What are the biggest terrorist attacks by the group with which Bush said the war on terror begins against the country where where the 1876 Centennial Exposition took place?

<P0-S0> 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. <P0-S1> It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice. <SEP> <P1-S0> the american renaissance was a period of american architecture and the arts from 1876 to 1917, characterized by renewed national self-confidence and a feeling that the united states was the heir to greek democracy, roman law, and renaissance humanism. <P1-S1> the era spans the period between the centennial exposition (celebrating the 100th anniversary of the signing of the declaration of independence) and the united states' entry into world war i. <SEP> <P2-S0> 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. <P2-S1> of Muslim faith. <P2-S2> The word crusade was not used again. <P2-S3> 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. <P2-S4> It will not end until every terrorist group of global reach has been found, stopped, and defeated." <SEP> <P3-S0> Bell began a series of public demonstrations and lectures to introduce the new invention to the scientific community as well as the general public. <P3-S1> A short time later, his demonstration of an early telephone prototype at the 1876 Centennial Exposition in Philadelphia brought the telephone to international attention. <P3-S2> Influential visitors to the exhibition included Emperor Pedro II of Brazil. <P3-S3> Later Bell had the opportunity to demonstrate the invention personally to Sir William Thomson (later, Lord Kelvin), a renowned Scottish scientist, as well as to Queen Victoria, who had requested a private audience at Osborne House, her Isle of Wight home. <P3-S4> She called the demonstration "most extraordinary". <P3-S5> The enthusiasm surrounding Bell's public displays laid the groundwork for universal acceptance of the revolutionary device. <SEP> <P4-S0> 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. <P4-S1> 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". <P4-S2> 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. <P4-S3> He was then held at multiple CIA secret prisons and Guantanamo Bay where he was interrogated and tortured with methods including waterboarding. <P4-S4> 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. <SEP> <P5-S0> in january 2002, the u.s. sent more than 1,200 troops (later raised to 2,000) to assist the armed forces of the philippines in combating terrorist groups linked to al-qaida, such as abu sayyaf, under operation enduring freedom - philippines. <P5-S1> operations have taken place mostly in the sulu archipelago, where terrorists and other groups are active. <P5-S2> the majority of troops provide logistics. <P5-S3> however, there are special forces troops that are training and assisting in combat operations against the terrorist groups.