Assess the view that the Vietnamese war was a costly failure

Need 10 historian interpretation, need primary 10 sources. you would need to assess and compare the historians view and weigh up a judgment on its relativity to your argument. also include primary sources. For the conclusion you would need to weigh all the arguments and come up with a judgement- judgement should be for the argument. please do not write an introduction, just begin with your arguments and theme, for example social impact, economical impact. need a bibliography