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The Maya civilization was biggest between the years of 420 AD and 900 AD. The Maya civilization spread all the way from central Mexico to Honduras, Guatemala, and northern El Salvador. The Maya people traded with other people in the Americas.
Mayan Civilization Rise & Decline (Theories) The Mayan civilization, centered in the tropical lowlands of what is now Guatemala, reached the peak of its power and influence around the sixth century BCE (BC). The Maya excelled at agriculture, pottery, hieroglyph writing, calendar-making and mathematics, and left behind an astonishing amount of impressive architecture and symbolic artwork.