The were the earliest people to settle in Mesoamerica. They were an advanced people who established trade connections with neighboring empires such as the . They thrived from 1500 BC to 800 BC. However, the reasons for their decline are .
Explanation: The first settlers of Mesoamerica were the Olmec, who traded with the Zapotec and thrived from 1500 BC to 800 BC. The Zapotec were the Olmec’s neighboring civilization. We cannot be sure of the reasons for their downfall.
