Explain the impact of Islam on Spain and North Africa. Discuss main hallmarks of Chinese society in the Tang and
Song eras. Describe China's interaction with the outside world. Explain why nomadic invasions were so successful.
Analyze the major contributions of the Chinese under the Tang and Song eras, Support your conclusions with examples. Or discuss the impact of Chinese interaction with the outside world, Evaluate the impact of China on the outside world. Or. Distinguish why the nomadic invasions in Europe and/or Asia were so successful and evaluate their impact on the existing societies in which they came into contact.