USA HISTORY

Detailed explanation-1: -Quechua, also called Runa simi, was the language spoken by the Incas and is the native language that has spread the most throughout South America. Today it is spoken by an average of 12 million people in different regions of Peru, Ecuador, Chile, Colombia, Argentina and Bolivia.

Detailed explanation-2: -Quechua is an Amerind language with about 8 million native speakers who live primarily in the Andes mountains of Bolivia, Peru, Ecuador, Colombia and Argentina. It was the official language of the Inca Empire, who used a system of knotted strings known as quipu to send messages.