The Olmec, the Maya, the Toltec, the Aztec, and the Inca are the earliest major civilizations of the Americas and are termed as the ________.
Mesoamerican civilization, the complex of indigenouscultures that developed in parts of Mexico and Central America prior to Spanish exploration and conquest in the 16th century. In the organization of its kingdoms and empires, the sophistication of its monuments and cities, and the extent and refinement of its intellectual accomplishments.