Final answer:
The Incan Civilization built the city of Machu Picchu in the Andes Mountains. The city's location, elevation, and unique stone construction allowed it to remain undisturbed by the Spanish.
Step-by-step explanation:
The Incan Civilization built the city of Machu Picchu high up in the Andes Mountains, which enabled them to remain undisturbed by the Spanish longer than other Native groups. The geography played a major role in this:
- The city's location made it difficult for the Spanish to reach.
- The city's elevation provided a natural defense.
- The Incas had a unique mastery over stone construction and were able to build impressive structures without the use of mortar, such as Machu Picchu, which was situated on steep slopes and aided in protecting the city.