DO after a doctor's name means that the doctor is a graduate of an osteopathic medical school in the United States.
The Difference Between The Aztec, Maya, Inca, And Olmec. âIt will happen â a seeing [. . In A Nutshell. The Olmec, Mayan, Incan, and Aztec civilizations are some of the greatest ancient civilizations in history, and yet we know very little about them compared to other parts of the world.
The Aztec, Maya, and Inca were 3 major South and Central American empires. The Europeans had no idea these civilizations existed until the 1490s when the Spanish explorers sailed all over the globe and discovered them. The Spanish explorers are known as conquistadors.