This document provides a summary of Chapter 12 from a study guide about the worlds of the 15th century. It covers several key topics:
1. The different types of human communities that existed in the 15th century, including hunter-gatherer societies in Australia and North America, agricultural village societies like the Igbo and Iroquois, and pastoral peoples in Central Asia and West Africa.
2. A comparison of the major civilizations of China under the Ming Dynasty and the states emerging in Europe during the Renaissance period.
3. The Islamic world, covering the Ottoman Empire, Safavid Persia, and the Mughal and Songhai empires.
4. The Aztec and In