Question

Discuss the pattern of nomadic migration before 15 century

Answer 1

 ...  Nomadic empires, sometimes also called steppe empires, Central or Inner Asian empires, are the empires erected by the bow-wielding, horse-riding, nomadic peoples in the Eurasian steppe, from classical antiquity (Scythia) to the early modern era (Dzungars). They are the most prominent example of non-sedentary polities.

Answer 2

The Mongol conquest of Iran in the thirteenth century brought to the region many more nomads from the Eurasian steppes. ... The nomadic migrations during the Seljuk period, and particularly during the ensuing invasions of the nomads of the Eurasian steppes, infiltrated the local population and affected their pastoralism.

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