The Incas had many achievements in all categories but especialy Science, Technology, Arts, Architecture, Language, and Writing. The Incas advanced in medicane and how to create it. They had a vastly enlarged system of terraces which are similar to massive stairs on the side of a mountain. They also had huge canals to get water to the top of the hill. In arts and architercture the Inca had featured clothes. Which seemed nice in that era. They prized gold because of the price and what it was. The Incas were into preserving elements of music. Finally, language and writing was very interesting. They had no written language it was all verbal. The language that they spoke was called Quechu. They advanced in a series of knot making wich was called Quipus. These were used to carry the beads that reminded messengers of important message they needed to pass on. The messages were passed on while running and could cover the entire empire.