What do the declines of the Zapotec and Mayan civilizations have in common?

A. Both civilizations were decimated by a plague brought be caravans along trade routes.

B. Both civilizations were destroyed by a massive earthquake around 900 CE.

C. Both civilizations declined under circumstances that are still not entirely clear to historians.

D. Both civilizations fell to invading Anasazi armies from North America.

Both civilizations declined under circumstances that are still not entirely clear to historians do the declines of the Zapotec and Mayan civilizations have in common. Hence, option C is correct.

What were the similarities between the Mayans and the Zapotecs?

An emperor presided over each of the two civilizations. A ball game with hoops was played by both cultures. The monotheistic religions were followed by both civilizations.

The Zapotec's traded with other Mesoamerican civilizations, such as Teotihuacan and the Mixtec culture, as well as perhaps the classical period Maya civilization. They were maize producers and produced distinctive clay vessels.

Thus, option C is correct.

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