Natural disasters can wipe out Humans, or asteroids which are big and close to Earth. Or the apocalypse, if you're christian. Or the grey goo, a situation which nano bots reproduce unlimitedly. Or maybe by smoking, not everyone smokes but a lot of people die by 2nd hand smoking. So smoking is bad for everyone. Or by Swine Flu and other diseases and war. Or by accidents.
I personally feel it is a biological response of human civilization
No.
There are several Non Human causes that are not negligible; neither are Human causes: CO2now,dot,org.
Many people died and nearly wiped out the whole civilization.
They deplete ozone. This causes affect to human health.
Spanish terrorists arrived and murdered them.
The civilization that admired the human mind and strongly supported its development is the ancient Greek civilization
Because you are gross and lazy.
No. The Portuguese were never in contact with the Mayans. If I'm not mistaken it was the Spanish.
You get a large army and attack them and wipe them out from civilization x_x
I think YES!
the sumerians or ancient egypt
I personally feel it is a biological response of human civilization
Possibly...
The desire to improve on the current way of life is what resulted in civilization.
Sumer was the first human civilization.
The Aztec civilization.