Harnessing Nature The Inca's Mastery of Water and Land

These civilizations never developed the wheel or used animals for hauling, and the Incas had no system of writing. Nevertheless, they built great cities with ... Our earliest evidence for this ancient Inca writing system comes from the first millennium CE. Quipus became important to the rulers of the Inca Empire, who ... Of course, the Incas weren't the only people in the ancient world to use terraced agricultural practices. But they had no idea what was going on ... They were known for their advanced engineering. They built a 25,000-mile road network and structures that could withstand earthquakes. One ... Beyond technology, the Incas made significant cultural contributions. Their unique record-keeping system, the quipu, was one such contribution. What was the economy like? ... The Incas based their economic activities on agriculture and livestock. The main products were potatoes, quinoa, corn, goose, ... Inca technology and architecture were highly developed, although not strikingly original. Their irrigation systems, palaces, temples, and ... And yet the real achievement of Inca engineers was putting the high in highway, with sections of the road running at 10,000, even 16,000 feet. Their ideal road ... The Inca, however, didn't have a lot of basic technologies we often consider important to advanced societies. They didn't use the wheel for transport. They didn ... The Incas spoke the Quechua language. · The Incas did not have a written language, but they did use a system of knotted cords called quipus to ...