Answer:
West Africa, West Asia. and Western Europe gained the least. In West Africa, the Mongols were not in their land very long. In West Asia, Islamic people lost control of Baghdad to the Mongols. In Western Europe, Mongols were only able to reach Hungary so there was not much contact with them.
East Asia, and South Asia gained the most. In East Asia (China), the Mongols established a dynasty that ruled for a long time. Also, merchants had a higher standing in society than they had in China before the Mongols. In South Asia, the Mongol contact resulted in many cultural advancements.
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