It's A
Irrigation was overused, the soil didn't get any rest (crop rotation is a younger invention), the result was salinization of the soil, which led to decline of Sumer.
Mayan Queen and Consort of Yaxchilan, Lady Xoc is considered to be the most powerful woman of the Maya Civilization. In Yaxchilan, structure 23 is seen as the place of Lady Xoc's. This structure was dedicated to her by Itzamnaaj Bʻalam II, a Mayan king popularly known as Shield Jaguar. The structure 23 does not depict warfare which differentiates it from other structures build during Jaguar's time. In the Lintel 23, Communication with Ancestors, Blood Sacrifices and preparing the King for Battle is seen performing by Lady Xoc in the presence of the King Jaguar. In Lintel 24 and 25, Lady Xoc is seen performing blood sacrifice in one or another way.
Answer:
Because of a debt crisis among the citizenry and opposition to the state government's increased efforts to collect taxes both on individuals and their trades and the result was that the rebellion was crushed.
