The murder rate was at about 33%. One out three died as a result of being murdered.
That's why embedded in our unconscious is the ability to quickly size up other people. That's done as a reflex, not consciously.
At least that's what social psychologist John Bargh, Ph.D. explains in his 2017 book "Before You Know It: The Unconscious Reasons We Do What We Do." Here you can order it from Amazon.
Today, in North America and Europe, the murder rate is down to about one in 100,000. The development of laws might have be a factor in that reduction.
However, that primitive instinct to kill other human beings might have continued, only in more sophisticated ways. Those controllers, vicious gossips, and envious can destroy our physical health, careers, and soul. That's exactly why it remains useful to always be assessing our fellow man. And why traditional religions which mandate loving everyone can be downright dangerous to our survival.
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