My speculation is that the U.S. does not want to establish the principle that it has to defer to some higher authority before carrying out the use of violence.
Growing up in the place I did I never was aware of any other option but to question everything.
Occasionally the conflict between 'what we stand for' and 'what we do' has been forthrightly addressed.
The argument that resistance to the war should remain strictly nonviolent seems to me overwhelming.
Nationalism has a way of oppressing others.
My family was mostly unemployed working class.