One by one, the Classic cities in the southern lowlands were abandoned, and by A.D. 900, Maya civilization in that region had collapsed. The reason for this mysterious decline is unknown, though scholars have developed several competing theories. which is Maya had exhausted the environment around them to the point that it could no longer sustain a very large population. <span>Other Maya scholars argue that constant warfare among competing city-states led the complicated military, family (by marriage) and trade alliances between them to break down, along with the traditional system of dynastic power. As the stature of the holy lords diminished, their complex traditions of rituals and ceremonies dissolved into chaos. Finally, some catastrophic environmental change–like an extremely long, intense period of drought–may have wiped out the Classic Maya civilization. Drought would have hit cities like Tikal–where rainwater was necessary for drinking as well as for crop irrigation–especially hard</span>
Answer:
I genuinly don't know which statement bes reises the the underlined sentence because there are no statements to choose from
Explanation:
France and Spain is the pairs of countries became colonial allies during the American Revolution.
The Columbian Exchange or Grand Exchange, was the widespread, at the time, communicable diseases were a byproduct of the exchange.Slaves were a popular trade it em between Africa, Europe, and the American.
