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 15000 bc to800 bc. however, the reason for their decline are

The olmecas

The Olmec culture was the civilization that developed during the Preclassic period of Mesoamerica. Although vestiges of its presence have been found in large areas of Mesoamerica, it is considered that the Olmec nuclear area -the metropolitan zone- covers the southeastern part of the state of Veracruz and the west of Tabasco.

The economy of the Olmecs was based on agricultural products, with which they traded, both among themselves and with other neighboring peoples, especially with nomadic peoples, or with peoples as geographically distant from them as may be peoples of the country of Guatemala or of central Mexico.

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