In theory, some genetic traits can be influenced towards agreeableness; however, people are still prone to competing for resources and acting on ideological beliefs. So, to me it is an unlikely avenue in lessening agression.
There are opportunities for great leaders to emerge (Zelensky), and of course, financial benefits for people engaged in producing weapons. It can spur technological advancements. Corrupt or evil regimes can be toppled. However the human cost in death, displacement and trauma that can last generations seems hardly worth it.
Is it a facet of human nature or is it driven by the military industrial complex, meaning war makes money for the elite and large corporations?Explorer
The impulse towards war has existed since humans first roamed this earth, long before the elite and large corporations existed. Even 14,000 years ago, archaeologists have found arrowheads and fractured skulls in ancient cemeteries. And 10,000 years ago there is evidence of bound hands, arrow wounds, and trauma. The first documented battles with organized armies happened around 3,500 BCE.