This document contains a study guide reviewing chapters 10-18 and geography questions. It provides questions and short answers about the Crusades, West Africa's kingdoms and trade routes, the spread of Islam, dynasties in China, important explorations and technological advances, and the basic geography of regions discussed. Key events, people, and concepts are tested including the reasons for the Crusades, Ghana's control of trade, advances in iron tools and food production in West Africa, the spread of Islam in Africa, China's civil service system, and maritime technologies.