Refer to the map. Map of the Inca Road System in South America in the 1400's. A key notes the shaded region as the Inca Empire. Lines represent Inca roads. Major Inca cities are labeled with large dots. Which of the following statements best illustrates a difference in the administration of the economies and trade of the Aztec and Inca Empires? Aztec rulers required tribute to be paid and brought to the central location of Tenochtitlán. Inca rulers directly affected people who were using roads for transportation and communication. Aztec rulers allowed market towns to develop and thrive throughout the empire. Inca rulers required that goods be sold only at the capital, where sales and production could be monitored. Aztec rulers peacefully integrated the goods and labor of conquered people into their culture. Inca rulers used trade routes to send armies out to enforce acceptance of their authority and collect tribute. Aztec rulers used roads primarily for trade. Inca rulers used roads primarily for military influence.