Ancient Olmec, Zapotec, and Maya Civilizations

Why did the early Olmec cities continue to grow larger and larger?

What contributed to the downfall of the Maya civilization?

Which group of people was NOT routinely sacrificed to please the Maya gods?

How was Maya government organized?

Where did most of the Maya residents live?

Who held the power in a city-state?

Much of the Olmec and Maya civilizations were located in the modern day country of _________.

Where were the first people to settle the Americas (more than 15,000 years ago) originally from?

What was an early benefit of the agricultural revolution?

Which group of indigenous people is credited for developing the first writing system in Mesoamerica?