https://en.wikipedia.org/wiki/My_Lai...cre#Background
My Lai Massacre
I heard first hand stories of other atrocities. One of my friends who was a US Army Sargent, who had went AWOL, told me of what he saw and did.
In the end, the USA left Vietnam in bedlam
Collective ''punishment'' in the form of genocide is a war crime and a crime against humanity. Trump is out of his mind. Opinion does not include instigating intentional murder or genocide of civilian populations. If Trump wanted to nuke the Islamic Terrorist State -- OK -- that is questionable but not a planned genocide.