It leads to killing and resorting to violence and sacrificing others for their well-being.
Yes.
In large amounts.
I'm not fully sure if you are saying "regions" or if you mean to say "religions" but either way all of them are. Humans inhabit all of the Earth so all of the regions are "humans regions" and all religions are practiced only by man so they are "humans religions".
because there are religions. If there are no religions, then humans will find another reason to go to war.
It is a wild animal which means if it bites you it can give you a disease that can be fatal to humans
The box jellyfish, which can be fatal to humans.
early humans worshipped animals
There were 71 reported cases of fatal shark attacks on humans worldwide in 2007.
No, being struck by lightning is often fatal.
Religions are belief systems created by humans to explain the meaning of life, the universe, and our place in it.
No, a cat can not kill a human. A cat can transmit diseases to humans but the diseases are not fatal.
Most religions teach that humans have the capacity to be good but have an inborn inclination to do bad through desires that are sinful or fleshly. Religions vary on the best way to fight these inclinations.