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.
History >> Aztec, Maya, and Inca for Kids The Inca Empire was a complex society with an estimated population of 10 million people. They had large stone cities, beautiful temples, an advanced government, a detailed tax system, and an intricate road system.