It stored information on knotted strings called quipus.
One archaeological site from this empire contains the Intihuatana, a stone devoted to the sun god Inti. It conquered both the Aymara and Chimú cultures and was founded by Manco Capac. After the capture of Vilcabamba, its rebel leader Túpac Amaru was killed. It stored information on knotted strings called quipus. The final pre-Spanish ruler of it was defeated at Cajamarca after having fought his brother Huáscar in a ruinous war. That ruler, Atahualpa, was defeated by Francisco Pizarro. For 10 points, name this Pre-Columbian civilization of the Andes which built Machu Picchu.
One archaeological site from this empire contains the Intihuatana, a stone devoted to the sun god
{Incan} Empire [or {Incas}]