The language barrier was a challenge that the inca faced in trying to incorporate conquered people into their empire. Dozens of different languages were probably spoken by the conquered people. The Incas required the leaders they conquered to learn Quechua. The ancient language of the Incas was Quechua. It’s unknown what language they spoke before Quechua was deemed the official language in 1438 by the Pachacuti. Because of the Inca’s large conquests, this language eventually became the dominant one and is still spoken to the day by a huge fraction of Peru’s population. Although the Inca inhabitants couldn’t write, they used quipus, threads with a arrangement of knots attached to them, to record their harvest. The current descendants of the