Why has the vietnam war come to be viewed in a negative light

The Vietnam war exertion wasn't found in a negative light at first for quite a long while as the contention delayed. Notwithstanding, prominent support for delayed wars of steady loss has generally met with disintegration. The defining moment in the Vietnam war as the quickly heightening US setbacks combined with the media scope of the gore in the avenues of south Vietnamese towns amid the TET hostile.