Answer: reconstruction of the south
Explanation:
The industrial revolution increased the power and wealth of "factory owners" mostly, but this is a misleading question, since the revolution increased the wealth of practically everyone except the aristocracy.
The most important effects that the Mongols had on Europe and Asia were increasing the flow of goods and knowledge between the two regions, the unification of present day Russia and the introduction of new diseases. For example, knowledge of gun-making traveled from Asia to Europe during Mongol rule<span> </span>