Why do humans engage in war?

Humans kill within their own species, no other species is doing that, why?

Looking back shows, human species practiced cannibalism. It was a survival strategy. Robinso Crusoe (1997), Captain Cook, End of the Speer (2015).

However cannibalism isn’t herd behavior either. Within a herd, a specie isn’t killing.

Why are humans killing each other? Is it the so called Nazi-gene? A gene for agression within the own specie ? Can mankind survive it’s killing behavior against the own specie?

Does herd behavior prevent killing within the own species?

Cause and effect.

A specie is a group within nature that can reproduce.

the specie barrier.

violating the species barrier.

mutations caused by cannibalism, where was that researched? Fiji Islands?

Does a species that lives from cadavers eat the cadavers of it’s own species? Do vultures eat their own dead?

friend foe detection.

spiders.

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Adelstitel.

Meistertitel.

akademischer Titel.

the title of a car.

the title of the car of a ex-president who is not allowed to drive anymore.

rebuilt title.

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Cicero, I got it, I will write to Koehler again.

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