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8 votes
how the Inca road system and Machu Picchu were built? How do these feats of engineering point to the complexity of the Inca culture?​

1 Answer

13 votes

Answer:

The high mountains and vast canyons in the Andes made it necessary for the Incas to develop structurally complex travel and trade routes.

Step-by-step explanation:

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User Noneno
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