Which statement best explains why the Iraq War was unpopular and generated significant opposition by politicians and the American public? OA. Saddam Hussein had been a U. S. ally in the war between Iraq and Iran in the 1990s. B. Military leaders worried that attacking Iraq would upset Taliban leaders in Afghanistan . O The claim that Iraq was developing weapons of mass destruction proved to be untrue . O D. Americans were generally opposed to retaliation following the September 11 terrorist attacks .