Supreme Power Poster
I agree with most of what you said. But war is a entirely natural phenomenon. Almost all life on this planet is territorial & have social constructs. All of nature fights over land all the time & fights over social issues within their natural community. It is entirely a natural occurrence for humans (which are animals) to war or fight.War is not natural.
Granted we fight over energy and religion. But replace energy with food & replace religion with a animals social hierarchy and it is quite virtually the same exact thing for us just on a higher playing field.