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They built amazing system of roads. We still use this technology today. They also advanced the medicine industry remarkable. The priests performed a surgery called trephination. Trephination is a surgery that the skull is cut open to remove bone fragments that were pressing against the brain. This science saved many lives. The Incas made textiles on clothing for art. The quality and design were a sign of states. Music was also very important to them, they played flutes, seashell horns, rattles, drums, and pinpipes. Inca architecture was amazing, they built big stone buildings that were very durable. They Incas affishal language was Quechua. Quechua was spread far and wide within the county and is still spoke in the south by some people. Quipus was used to memorize messages, this system was a very useful tactic when it came to writing. In conclusion, the mayans, Aztecs, and Incas impacted the future more than they knew it. They just wanted life to be better for their