The steep and mountainous cliffs of the Andes may caused some disruptions to the developement of the Incans.
The Ancient Incan cities are far above sea level too, this may be another reason.
it impacts the development by making some civilizations more adapted to the rugged climate that some of them have to deal with,and if there is a civilization that isn't used to rugged terrain then...
Most definitely political culture influences economic development. The two dominant political cultures in the U.S., democrat and republican influence whether investment will take place or not. Taxes...