What caused the Mayan Civilization to fall?

From overpopulation, warefires, worn out land, and possibly other things too

Explanation:

The total Maya system collapsed because of non-ecological, ecological, and long-term economical causes. Some dangerous ecological causes of the Mayan decline are earthquakes, hurricanes, and volcanic eruptions. These destroyed the Mayan villages completely leaving nothing.

it's a secular holiday. it is and was a custom developed to recognize the ending of a time and a wish for a good future. the kind of kiss you exchange, if you are single, is intended to predict what kind of year you will have in the coming year.

it is saying good bye to the last year with all its ups and downs, and hello to the new year, with all its hopes and dreams.

independent innovation during the abbasid caliphate