sentences:  American politicians and media have accused the Saudi government of supporting terrorism and tolerating a "jihadist" culture, noting that Osama bin Laden and fifteen out of the nineteen (or 78 percent of) 9/11 hijackers were from Saudi Arabia.Although some analysts have speculated that Osama bin Laden, who in 1994 had his Saudi nationality revoked and expelled from Saudi Arabia, had chosen 15 Saudi hijackers on purpose to break up the U.S.–Saudi relations, as the U.S. was still suspicious of Saudi Arabia (PBS Frontline, 2005).The Saudi's decided to cooperate with the U.S. on the war on terror.