The Mongols might be compared to a gigantic storm which caused huge damage, however they as well cleared the way for some significant new developments. Give a brief summary of the impact of the Mongol conquests. What, in your opinion, were the two most negative and most positive things which came out of the Mongol conquests of the 13th and 14th centuries, and explain why? Overall, would you call their impact on world history more negative or productive and explain why?