Premise: The Inca Empire ( Quechua : Tawantinsuyu , `` The Four Regions '' ) , also known as the Incan Empire and the Inka Empire , was the largest empire in pre-Columbian America , and possibly the largest empire in the world in the early 16th century . Machu Picchu . Often mistakenly referred to as the `` Lost City of the Incas '' ( a title more accurately applied to Vilcabamba ) , it is the most familiar icon of Inca civilization .
Hypothesis: Machu Picchu was part of an empire in pre-columbian America.
Label: ENTAILMENT