What was life of Charlemagne?

What was it like on crusade? Who invented persistence of vision? Were the cities of Rome and Byzantium similar? What was the Romans view on leisure? What technology was there in the 1600s? What was a cultural change as a result of the columbian exchange? What problems did Rome face when Augustus ruled? Where did Constantinople more the capital of the Roman Empire and why? What invention of the 1440 helped spread the ideas of the renaissance throughout Europe and who was the inventor? What river was called the gateway to the west at the beginning of the 1800's? Did the empire spend too much of its resources on the poor thus drawing away precious fund from the empire? What factors led to the beginning of the Renaissance in northern Europe? Who built the western half of the transcontinental railroad? What is wco translate to in credit and collection abbreviations? What is the performance history of wrl freedom premier III variable annuity? Which statement describes a technique that painters during the Pax Romana used to depict figure? What nationality is the name Ciacelli? What was the boundary called that divided east and west Europe during the cold war? What was the euro predecessor? What role did serfs play in Medieval Europe?