Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. Which of the following represents a major difference between the Incas and the Phoenicians?

The Incas relied heavily on trade, but the Phoenicians did not.
The Phoenicians relied heavily on trade, but the Incas did not.
The Incas had a system of writing, but the Phoenicians did not.
The Phoenicians had a system of writing, but the Incas did not.