Natural disasters are one reason, we all know the story of Pompei. But it's hard to destroy a civilization with nature, look back in your lifetime all the hurricanes and earthquakes... So I will answer with a better thing by saying they have been through wars, they have been conquered, and they have evolved and discovered different ways of life. They got new leaders politically and religiously and have changed.
no you can not
The Maya civilization fell much sooner than Aztec civilization.
the Maya civilization began to collapse
Mexico
Carthage
yes it was an civilization
Historians believe that a combination of factors, such as environmental degradation, warfare, political instability, and Spanish colonization, contributed to the decline of the Maya civilization. However, it's important to note that the Maya did not completely disappear; many descendants of the ancient Maya still live in the region today.
Maya civilization
no you can not
Maya
The Maya civilization fell much sooner than Aztec civilization.
the Maya civilization began to collapse
the maya civilization fell sooner than aztec civilization
The Yucatan is where the Maya civilization arose.
Mexico
The Maya specialized
Carthage