Answer:
There is no given proof for just one way
Step-by-step explanation:
People have speculated that the Mayan empire has fallen from power by things like overpopulation, extended drought, and wars. Overpopulation means not enough food produced for their people, the drought meant not crops were not as fruitful as they once were and if they were at war their people would not be nourished enough to fight a winning battle.