The concept map on the Inca civilization is a useful summary and study guide for reviewing the history and characteristics of one of the major pre-Columbian civilizations. The map presents the territory of the Inca Empire, extending across the Andes and including present-day Peru, Ecuador and part of Chile, with Cuzco as its capital. It covers the period, economy, based on farming, livestock and land redistribution, and the organization of Inca society. The map also explains the extensive road network, rope bridges, the use of quipu, the absence of the wheel, and the Incas’ remarkable engineering skills, including impressive structures such as Machu Picchu.