1.1Define lack of basic services.
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an insufficiency, shortage, or absence of something required or desired is called lack of basic services.

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The first truly complex society in the Americas was that of the Olmec.

The earliest know major civilization in Mexico were the Olmecs. They followed a continuous development in Soconusco and lived in south-central Mexico’s tropical lowlands, which is the present-day states of Tabasco and Veracruz.

The Olmecs proposed during the formative period of Mesoamerica, dated roughly from around 1500 BCE to around 400 BCE.