Question: What are the biggest terrorist attacks against the country where Boulder River is located by the Islamic terrorist group Bush said the war on terror begins with?

<P0-S0> 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". <P0-S1> 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. <P0-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. <P0-S3> He was then held at multiple CIA secret prisons and Guantanamo Bay where he was interrogated and tortured with methods including waterboarding. <P0-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> <P1-S0> The Boulder River is a tributary of the Yellowstone River, approximately 60 mi (96 km) long, in south central Montana in the United States. <P1-S1> It is one of two rivers named the Boulder River in Montana. <SEP> <P2-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. <P2-S1> operations have taken place mostly in the sulu archipelago, where terrorists and other groups are active. <P2-S2> the majority of troops provide logistics. <P2-S3> however, there are special forces troops that are training and assisting in combat operations against the terrorist groups. <SEP> <P3-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. <P3-S1> of Muslim faith. <P3-S2> 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. <P3-S3> The word crusade was not used again. <P3-S4> It will not end until every terrorist group of global reach has been found, stopped, and defeated." <SEP> <P4-S0> the obama administration began to reengage in iraq with a series of airstrikes aimed at isis beginning on 10 august 2014. on 9 september 2014 president obama said that he had the authority he needed to take action to destroy the militant group known as the islamic state of iraq and the levant, citing the 2001 authorization for use of military force against terrorists, and thus did not require additional approval from congress. <P4-S1> the following day on 10 september 2014 president barack obama made a televised speech about isil, which he stated "our objective is clear: we will degrade, and ultimately destroy, isil through a comprehensive and sustained counter-terrorism strategy". <P4-S2> obama has authorized the deployment of additional u.s. forces into iraq, as well as authorizing direct military operations against isil within syria. <P4-S3> on the night of 21/22 september the united states, saudi arabia, bahrain, the uae, jordan and qatar started air attacks against isis in syria. <P4-S4> [citation needed]