The Inca Civilization which was also called Inca Empire. It was located in what are now Peru, Bolivia, Ecuador, and extended into portions of Chile, Argentina and Colombia. The language of the Incas was Quechua, although over seven hundred local languages were spoken.
The Inca Civilization was wealthy, well-organized with a central government system lead by the Inca as the Emperor with four provincial governments with powerful leaders.
In general, Inca art was plain and they used gold and precious metals to make useful artefacts. Their architecture was precise and Spartan style. The Incas created very elaborate and colourful tapestries made from alpaca. They used a mathematical system called quipu to keep track of their everyday and market business.