USA HISTORY

Detailed explanation-1: -Who were the Olmec? The Olmec were the first major civilization in Mexico. They lived in the tropical lowlands on the Gulf of Mexico in the present-day Mexican states of Veracruz and Tabasco.

Detailed explanation-2: -The historic region of Mesoamerica comprises the modern day countries of northern Costa Rica, Nicaragua, Honduras, El Salvador, Guatemala, Belize, and central to southern Mexico. For thousands of years, this area was populated by groups such as the Olmec, Zapotec, Maya, Toltec, and Aztec peoples.

Detailed explanation-3: -The first complex civilization to develop in Mesoamerica was that of the Olmec, who inhabited the gulf coast region of Veracruz throughout the Preclassic period. The main sites of the Olmec include San Lorenzo Tenochtitlán, La Venta, and Tres Zapotes.

Detailed explanation-4: -The Wari (Spanish: Huari) were a Middle Horizon civilization that flourished in the south-central Andes and coastal area of Peru, from about CE 500 to 1000.

Detailed explanation-5: -The current shape of Mesoamerica (Middle America) began to emerge as Pangaea broke up, and North and South America separated, not to be rejoined again until about 3 million years ago. This reconnection happened as two tectonic plates moved against each other, causing volcanoes to erupt, which created islands.