 Two days later, U.S. soldiers fired on a group protesting earlier shootings in Falluja.The impact of 9/11 and the nationalizing sentiment that came with it was a heavy influence on the support of American-initiated invasion and in public support for the president.In a poll published in October 2002, days after President George W. Bush issued a public address on the possibility of invasion, surveyors broke down 10 findings on public opinion.