From the dawn of Human civilization, humans like to kill each other in order to control their environment. War like behavior has been in our species since our ancestors.
Some ideas and concepts
We killed the other 2 placid humans and the cor-magnon man survived due to their intelligence and aggression
We are aggressive because our use of our brain is limited and thinking skills poor.
we do not think for ourselves and let others manipulate us.
How do we measure, how do we not get alone with each other?
Wars
Crime
Poverty levels
productivity rates
level of happiness and prosperity
Advancements in the human
What levels of human conflict are regarded reasonable or even healthy.
What levels are we now?
What can we improve?
The problem we have is not only we are killing our selves by the numbers , we might turn onto our selves weapons of mass destructions and oblitorate our selves and the planet.