• The Incas controlled over 10 million people along the west coast of South America
• The Incas were expert engineers.
They built huge cities on the tops of mountains
They built over 19,000 miles of roads throughout the empire.
• The Incas had learned how to perform brain surgery, and discovered many useful medicines.
• The Incas believed that their emperor was a descendant of the sun god.
• Gold was used in palaces and temples and worn by nobles and priests in order to honor the sun god.
