Answer:
<h3> Based on its comprehensive investigation, NIST concluded that the WTC towers collapsed because: (1) the impact of the planes severed and damaged support columns, dislodged fireproofing insulation coating the steel floor trusses and steel columns, and widely dispersed jet fuel over multiple floors; No one escaped at or above the impact point in the North Tower. Clark's testimony before the 9/11 Commission, where he detailed problems with the 911 emergency call system, has been widely quoted.</h3>
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It was a protest march where some 250,000 people gathered in front of the Lincoln Memorial for jobs and freedom. The match rallied Americans to to stand up against continuing political and social injustices African Americans faced.
The roots were found in pacifist beliefs and sometimes even in religious beliefs. People believed that the government was being corrupt and lied about the war motivation. As intellectuals opposed the war, they were soon joined by students who created groups like Students for a Democratic Society, who were instrumental in the antiwar campaign.
