This document contains review questions about Western Europe from 500-1400 AD, including political, economic, cultural, and social changes and continuities after the fall of the Roman Empire. It also discusses the Byzantine Empire and compares it to Western Europe and the Islamic empires during this time period. Key figures and events mentioned include Charlemagne, the Crusades, guilds, Thomas Aquinas, and Emperor Justinian of the Byzantine Empire. The document reviews political structures, trade, religious differences, and cultural influences between these medieval civilizations.