Answer:
Fearing that Manco Capac II's son, Túpac Amaru, and the few remaining “free” Incans in Vilcabamba and the forests north of Cuzco might prove dangerous to Spanish authority, Toledo ordered Spanish troops to invade the area and capture Túpac Amaru, which led to Amaru's beheading in Cuzco in 1572.
Explanation:
