Which early american civilization built this ancient city machu picchu

The Incas

Explanation:

Machu Picchu, the meaning of the words in Quechua, "Old Peak", an old ceremonial center that is made up of around 150 buildings that compose houses, temples, sanctuaries. The whole center has a hundred separate flights of stars that each individual staircase had to be carved from different kinds of stone.

Archaeologists are still researching a theory that suggests that no wheels were used in the transportation of all of those huge rocks as they reach the mountain.

The specific use of the center, still is also subject to debate, while they considered a ceremonial place, that was constructed for the Inca emperor Pachacuti around the year of 1450.

answer; psychological influences;